BOOK SAFARI: Hardy Boys Pictorial Cover Editions

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HARDY BOYS Mystery Stories by Franklin W. Dixon

HARDY BOYS® PICTORIAL COVER EDITIONS By Franklin W. Dixon

Grosset & Dunlap began issuing the Hardy Boys Mysteries in the blue spine matte pictorial cover, or "picture cover," format in 1962. A pictorial cover edition is a hardcover with the cover art printed directly to the boards of the book, eliminating the need of a dust jacket. The first new title to be issued in this format was volume #41 The Clue of the Screeching Owl. All subsequent titles were published in this format until the transition to the paperback format in 1980. Over the years, the pictorial cover editions featured a number of different endpaper designs. When the format was initated, new titles and some older titles, with revised texts, used the White Multiple Picture Endpapers. Unrevised texts were published with the Brown Multiple Picture Endpapers. There are some exceptions to this rule, probably due to problems in quality assurance at the smaller printing houses that produced the volumes. Eventually, all titles were issued with the White Multiple Picture Endpaper format. Later yet, G&D utilized the singularly bland White Oval Endpapers.

JUDGE A BOOK BY THE COVER! Whenever you see the highlighted word "View", following a book listing, you can click on it to see an picture of the front cover of that particular title.

Note: The number listed in parentheses after the condition indicates the number of series titles listed on the rear cover of the book.
For example, a copy of volume #1, The Tower Treasure, which lists to volume #43 is an earlier printing than a similar copy listing to volume #55.

Grosset & Dunlap Pictorial Cover Editions w/Brown Multiple Picture Endpapers:
Hardy Boys #1: The Tower Treasure Fair-Good Condition (40) 1962 Printing w/Revised Text $ 5
Hardy Boys #1: The Tower Treasure Good Condition (40) 1963 Printing w/Revised Text $ 10
Hardy Boys #1: The Tower Treasure Very Good Condition (46) 1967 Printing w/Revised Text $ 15
Hardy Boys #1: The Tower Treasure Very Good-Fine Condition (48) 1969 Printing w/Revised Text $ 15
Hardy Boys #2: The House on the Cliff Very Good-Fine Condition (40) 1962 Printing w/Revised Text $ 25
Hardy Boys #2: The House on the Cliff Good Condition (40) 1963 Printing w/Revised Text $ 15
Hardy Boys #2: The House on the Cliff Good-Very Good Condition (40) 1963 Printing w/Revised Text & Front Endpaper Missing $ 15
Hardy Boys #2: The House on the Cliff Very Good Condition (40) 1963 Printing w/Revised Text $ 20 (3 Copies Available)
Hardy Boys #2: The House on the Cliff Very Good Condition (44) 1965 Printing w/Revised Text $ 15 (3 Copies Available)
Hardy Boys #2: The House on the Cliff Good Condition (46) 1967 Printing w/Revised Text $ 12
Hardy Boys #2: The House on the Cliff Very Good Condition (46) 1967 Printing w/Revised Text $ 15
Hardy Boys #2: The House on the Cliff Very Good Condition (47) 1968 Printing w/Revised Text $ 15
Hardy Boys #2: The House on the Cliff Very Good-Fine Condition (47) 1968 Printing w/Revised Text $ 15
Hardy Boys #2: The House on the Cliff Very Good-Fine Condition (48) 1969 Printing w/Revised Text b>$ 15
Hardy Boys #2: The House on the Cliff Fine Condition (48) 1969 Printing w/Revised Text $ 20
Hardy Boys #5: Hunting for Hidden Gold Very Good-Fine Condition (40) 1962 Printing w/Original Text $ 25
Hardy Boys #7: The Secret of the Caves Good Condition (40) 1962 Printing w/Original Text $ 15
Hardy Boys #7: The Secret of the Caves Very Good Condition (40) 1962 Printing w/Original Text & Blackened [$] $ 25
Hardy Boys #7: The Secret of the Caves Very Good Condition (40) 1962 Printing w/Original Text $ 20 (2 Copies Available)
Hardy Boys #7: The Secret of the Caves Very Good-Fine Condition (40) 1962 Printing w/Original Text $ 25 (2 Copies Available)
Hardy Boys #9: The Great Airport Mystery Very Good-Fine Condition (43) 1964 Printing w/Original Text & Slight Spine Tilt $ 20 View
Hardy Boys #10: What Happened At Midnight Good Condition (40) 1962 Printing w/Original Text & 1946 Artwork $ 20
Hardy Boys #10: What Happened At Midnight Good-Very Good Condition (43) 1964 Printing w/Original Text & 1946 Artwork $ 20
Hardy Boys #10: What Happened At Midnight Very Good Condition (44) 1965 Printing w/Original Text & 1946 Artwork $ 15 (2 Copies Available)
Hardy Boys #12: Footprints Under the Windo Very Good-Fine Condition (40) 1962 Printing w/Original Text & Gillies Artwork $ 20 View
Hardy Boys #13: The Mark on the Door Very Good Condition (40) 1962 Printing w/Original Text & Gillies Artwork $ 20
Hardy Boys #13: The Mark on the Door Fair-Good Condition (40) 1964 Printing w/Original Text & Gillies Artwork $ 6
Hardy Boys #13: The Mark on the Door Very Good Condition (43) 1964 Printing w/Original Text & Gillies Artwork $ 15
Hardy Boys #15: The Sinister Sign Post Very Good Condition (40) 1962 Printing w/Original Text & Gillies Artwork $ 15
Hardy Boys #15: The Sinister Sign Post Fine Condition (40) 1962 Printing w/Original Text & Gillies Artwork $ 20
Hardy Boys #15: The Sinister Sign Post Very Fine Condition (44) 1965 Printing w/Original Text & Gillies Artwork $ 25
Hardy Boys #16: A Figure in Hiding Very Good-Fine Condition (40) 1962 Printing w/Original Text $ 25
Hardy Boys #17: The Secret Warning Very Good Condition (40) 1962 Printing w/Original Text & Leone Artwork $ 20 View
Hardy Boys #18: The Twisted Claw Fine Condition (40) 1963 Printing w/Original Text & Leone Artwork $ 25
Hardy Boys #18: The Twisted Claw Poor Condition (43) 1964 Printing w/Original Text & Leone Artwork & Spine Split Internally $ 5
Hardy Boys #18: The Twisted Claw Good Condition (44) 1965 Printing w/Original Text & Leone Artwork $ 10
Hardy Boys #19: The Disappearing Floor Fine Condition (40) 1963 Printing w/Original Text $ 20
Hardy Boys #20: The Mystery of the Flying Express Poor Condition (40) 1962 Printing w/Original Text & Weak Binding $ 8
Hardy Boys #20: The Mystery of the Flying Express Fine Condition (40) 1962 Printing w/Original Text $ 30 (2 Copies Available)
Hardy Boys #20: The Mystery of the Flying Express Very Good Condition (43) 1964 Printing w/Original Text $ 25 (2 Copies Available)
Hardy Boys #20: The Mystery of the Flying Express Very Good-Fine Condition (43) 1964 Printing w/Original Text $ 30
Hardy Boys #20: The Mystery of the Flying Express Good Condition (44) 1965 Printing w/Original Text $ 15
Hardy Boys #21: The Clue of the Broken Blade Good Condition 1965 Printing w/Original Text & John Leone Artwork $ 20
Hardy Boys #22: The Flickering Torch Mystery Very Good-Fine Condition (43) 1964 Printing w/Original Text & Leone Artwork $ 20 View
Hardy Boys #23: The Melted Coins Very Good Condition (40) 1962 Printing w/Original Text & Leone Artwork $ 30
Hardy Boys #23: The Melted Coins Very Good-Fine Condition (43) 1964 Printing w/Original Text & Leone Artwork $ 20
Hardy Boys #23: The Melted Coins Very Good Condition (44) 1965 Printing w/Original Text & Leone Artwork $ 15 (2 Copies Available)
Hardy Boys #24: The Short-Wave Mystery Good Condition (40) 1962 Printing $ 20
Hardy Boys #24: The Short-Wave Mystery Good Condition (44) 1966 Printing w/Original Text & Front Endpaper Missing $ 12
Hardy Boys #25: The Secret Panel Fair-Good Condition (40) 1962 Printing w/Original Text & Tandy Artwork $ 12
Hardy Boys #25: The Secret Panel Very Good Condition (43) 1964 Printing w/Original Text & Tandy Artwork $ 15
Hardy Boys #25: The Secret Panel Good Condition (44) 1965 Printing w/Original Text & Tandy Artwork $ 12
Hardy Boys #25: The Secret Panel Very Good-Fine Condition (44) 1965 Printing w/Original Text & Tandy Artwork $ 20
Hardy Boys #25: The Secret Panel Good Condition (48) 1971 Printing w/Original Text & Tandy Artwork $ 12
Hardy Boys #28: The Sign of the Crooked Arrow Very Good Condition (40) 1962 Printing w/Original Text & Tandy Artwork $ 20 View
Hardy Boys #28: The Sign of the Crooked Arrow Fine Condition (44) 1965 Printing w/Original Text & Tandy Artwork $ 25
Hardy Boys #29: The Secret of the Lost Tunnel Very Good-Fine Condition (45) 1966 Printing w/Original Text & Gillies Artwork $ 20
Hardy Boys #30: The Wailing Siren Mystery Poor Condition (43) 1964 Printing w/Original Text, Gillies Artwork & Upper Spine Damage $ 3
Hardy Boys #31: The Secret of Wildcat Swamp Fair-Good Condition (40) 1962 Printing w/Original Text & Gillies Artwork $ 8
Hardy Boys #31: The Secret of Wildcat Swamp Good Condition (40) 1964 Printing w/Original Text & Gillies Artwork & Front Endpaper Missing $ 10
Hardy Boys #31: The Secret of Wildcat Swamp Fine Condition (43) 1964 Printing w/Original Text & Gillies Artwork $ 20
Hardy Boys #32: The Crisscross Shadow Good Condition (40) 1965 Printing w/Original Text & 1st Nappi Artwork $ 15
Hardy Boys #32: The Crisscross Shadow Good Condition (43) 1964 Printing w/Original Text & 1st Nappi Artwork $ 12
Hardy Boys #32: The Crisscross Shadow Very Good Condition (44) 1965 Printing w/Original Text & 1st Nappi Artwork $ 20
Hardy Boys #32: The Crisscross Shadow Very Good-Fine Condition (44) 1965 Printing w/Original Text & 1st Nappi Artwork $ 25
Hardy Boys #34: The Hooded Hawk Mystery Fine Condition (48) 1969 Printing w/Original Text & 1st Nappi Artwork $ 20
Hardy Boys #35: The Clue in the Embers Good Condition (40) 1963 Printing w/Original Text & 1st Nappi Artwork $ 15
Hardy Boys #35: The Clue in the Embers Good Condition (44) 1965 Printing w/Original Text & 1st Nappi Artwork $ 12
Hardy Boys #35: The Clue in the Embers Good-Very Good Condition (44) 1965 Printing w/Original Text & 1st Nappi Artwork $ 15
Hardy Boys #35: The Clue in the Embers Very Good Condition (44) 1965 Printing w/Original Text & 1st Nappi Artwork $ 15
Hardy Boys #37: The Ghost at Skeleton Rock Very Good-Fine Condition (40) 1962 Printing w/Original Text & Leone Artwork $ 20 View
Hardy Boys #39: The Mystery of the Chinese Junk Very Good Condition (44) 1965 Printing $ 20
Hardy Boys #40: The Mystery of the Desert Giant Very Good Condition (40) 1962 Printing $ 20
Hardy Boys #40: The Mystery of the Desert Giant Very Good Condition (40) 1963 Printing $ 20
Hardy Boys #40: The Mystery of the Desert Giant Very Good Condition (44) 1965 Printing $ 15

Grosset & Dunlap Pictorial Cover Editions w/White Multiple Picture Endpapers:
Hardy Boys #1: The Tower Treasure Very Good Condition (49) 1970 Printing w/Revised Text & Slight Spine Tilt $ 12
Hardy Boys #1: The Tower Treasure Fine Condition (51) 1972 Printing w/Revised Text $ 12
Hardy Boys #1: The Tower Treasure Very Good-Fine Condition (51) 1972 Printing w/Revised Text $ 12
Hardy Boys #1: The Tower Treasure Good Condition (56) 1977 Printing w/Revised Text $ 8 (2 Copies Available)
Hardy Boys #1: The Tower Treasure Very Good-Fine Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #1: The Tower Treasure Very Good Condition (56) 1978 Printing w/Revised Text $ 10 (3 Copies Available)
Hardy Boys #2: The House on the Cliff Fine Condition (50) 1971 Printing w/Revised Text $ 20
Hardy Boys #2: The House on the Cliff Fine Condition (51) 1972 Printing w/Revised Text $ 20
Hardy Boys #2: The House on the Cliff Fine Condition (55) 1977 Printing w/Revised Text $ 10
Hardy Boys #2: The House on the Cliff Very Good Condition (56) 1977 Printing w/Revised Text $ 8
Hardy Boys #2: The House on the Cliff Very Fine Condition (56) 1977 Printing w/Revised Text $ 12
Hardy Boys #2: The House on the Cliff Fine Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #2: The House on the Cliff Fine Condition (56) 1977 Printing w/Revised Text & Rear Endpaper Missing $ 8
Hardy Boys #2: The House on the Cliff Very Good Condition (56) 1977 Printing w/Revised Text $ 8
Hardy Boys #2: The House on the Cliff Very Good Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #2: The House on the Cliff Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #3: The Secret of the Old Mill Fair Condition (40) 1963 Printing w/Revised Text & Binding Weak $ 4
Hardy Boys #3: The Secret of the Old Mill Good Condition (40) 1962 Printing w/Revised Text & Large Cover Scrape $ 8
Hardy Boys #3: The Secret of the Old Mill Good Condition (40) 1962 Printing w/Revised Text $ 10 (3 Copies Available)
Hardy Boys #3: The Secret of the Old Mill Very Good-Fine Condition (40) 1963 Printing w/Revised Text $ 15 (2 Copies Available)
Hardy Boys #3: The Secret of the Old Mill Fine Condition (40) 1964 Printing w/Revised Text $ 20
Hardy Boys #3: The Secret of the Old Mill Good Condition (43) 1964 Printing w/Revised Text $ 10
Hardy Boys #3: The Secret of the Old Mill Fine Condition (43) 1964 Printing w/Revised Text $ 20 (2 Copies Available)
Hardy Boys #3: The Secret of the Old Mill Good Condition (44) 1965 Printing w/Revised Text $ 12
Hardy Boys #3: The Secret of the Old Mill Very Good-Fine Condition (44) 1965 Printing w/Revised Text $ 15 (2 Copies Available)
Hardy Boys #3: The Secret of the Old Mill Very Good Condition (44) 1965 Printing w/Revised Text $ 12
Hardy Boys #3: The Secret of the Old Mill Fair-Good Condition (47) 1968 Printing w/Revised Text $ 6
Hardy Boys #3: The Secret of the Old Mill Good Condition (50) 1971 Printing w/Slight Spine Tilt $ 5
Hardy Boys #3: The Secret of the Old Mill Very Fine Condition (50) 1971 Printing w/Revised Text $ 20 (2 Copies Available)
Hardy Boys #3: The Secret of the Old Mill Very Good-Fine Condition (52) 1973 Printing w/Revised Text & Blue Top $ 12
Hardy Boys #3: The Secret of the Old Mill Very Good-Fine Condition (52) 1973 Printing w/Revised Text & Red Top $ 15
Hardy Boys #3: The Secret of the Old Mill Very Good Condition (54) 1977 Printing w/Revised Text $ 10
Hardy Boys #3: The Secret of the Old Mill Good-Very Good Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #3: The Secret of the Old Mill Very Good Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #3: The Secret of the Old Mill Very Fine Condition (56) 1977 Printing w/Revised Text $ 12 (4 Copies Available)
Hardy Boys #4: The Missing Chums Very Good-Fine Condition (40) 1963 Printing w/Revised Text $ 20
Hardy Boys #4: The Missing Chums Good Condition (43) 1964 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Good-Very Good Condition (44) 1965 Printing $ 12
Hardy Boys #4: The Missing Chums Good Condition (46) 1967 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Very Good-Fine Condition (48) 1969 Printing w/Revised Text & Slight Spine Tilt $ 15
Hardy Boys #4: The Missing Chums Very Fine Condition (49) 1970 Printing w/Revised Text $ 15 (2 Copies Available)
Hardy Boys #4: The Missing Chums Very Good Condition (50) 1971 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Very Fine Condition (50) 1971 Printing w/Revised Text $ 15
Hardy Boys #4: The Missing Chums Very Fine Condition (51) 1972 Printing w/Revised Text $ 15
Hardy Boys #4: The Missing Chums Very Good Condition (52) 1973 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Very Good Condition (56) 1977 Printing w/Revised Text $ 8 (2 Copies Available)
Hardy Boys #4: The Missing Chums Very Good-Fine Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Very Fine Condition (56) 1977 Printing w/Revised Text $ 12 (2 Copies Available)
Hardy Boys #4: The Missing Chums Very Good-Fine Condition (56) 1978 Printing w/Revised Text & Rear Endpaper Missing $ 10
Hardy Boys #4: The Missing Chums Very Good Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #4: The Missing Chums Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #4: The Missing Chums Good Condition (56) 1978 Printing w/Revised Text & Slight Spine Tilt $ 6
Hardy Boys #5: Hunting for Hidden Gold Fine Condition (49) 1970 Printing w/Revised Text $ 15
Hardy Boys #5: Hunting for Hidden Gold Fine Condition (49) 1970 Printing w/Revised Text $ 15
Hardy Boys #5: Hunting for Hidden Gold Good Condition (52) 1973 Printing w/Revised Text $ 8
Hardy Boys #5: Hunting for Hidden Gold Very Good Condition (55) 1976 Printing w/Revised Text $ 10
Hardy Boys #5: Hunting for Hidden Gold Fine Condition (55) 1977 Printing w/Revised Text $ 12
Hardy Boys #5: Hunting for Hidden Gold Very Good Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #5: Hunting for Hidden Gold Good Condition (56) 1977 Printing w/Revised Text $ 6
Hardy Boys #5: Hunting for Hidden Gold Very Fine Condition (56) 1977 Printing w/Revised Text $ 12
Hardy Boys #5: Hunting for Hidden Gold Fine Condition (56)1977 Printing w/Revised Text $ 10
Hardy Boys #5: Hunting for Hidden Gold Good Condition (56) 1978 Printing w/Revised Text $ 6
Hardy Boys #5: Hunting for Hidden Gold Very Good Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #5: Hunting for Hidden Gold Good Condition (56) 1978 Printing w/Revised Text $ 6
Hardy Boys #5: Hunting for Hidden Gold Very Good-Fine Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #5: Hunting for Hidden Gold Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #5: Hunting for Hidden Gold Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #6: The Shore Road Mystery Good Condition (47) 1968 Printing w/Revised Text & 2nd Nappi Artwork $ 8
Hardy Boys #6: The Shore Road Mystery Very Fine Condition (50) 1971 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #6: The Shore Road Mystery Very Good-Fine Condition (52) 1973 Printing w/Revised Text & 2nd Nappi Artwork $ 12
Hardy Boys #6: The Shore Road Mystery Fair-Good Condition (56) 1977 Printing w/Revised Text & 2nd Nappi Artwork $ 3
Hardy Boys #6: The Shore Road Mystery Very Good Condition (56) 1977 Printing w/Revised Text & 2nd Nappi Artwork $ 8
Hardy Boys #6: The Shore Road Mystery Very Fine Condition (56) 1977 Printing w/Revised Text & 2nd Nappi Artwork $ 12 (2 Copies Available)
Hardy Boys #6: The Shore Road Mystery Very Fine Condition (56) 1978 Printing w/Revised Text & 2nd Nappi Artwork $ 12 (2 Copies Available)
Hardy Boys #6: The Shore Road Mystery Fine Condition (56) 1979 Printing w/Revised Text & 2nd Nappi Artwork $ 10
Hardy Boys #6: The Shore Road Mystery Very Fine Condition (56) 1979 Printing w/Revised Text & 2nd Nappi Artwork $ 12
Hardy Boys #7: The Secret of the Caves Very Good-Fine Condition (44) 1965 Printing w/Revised Text & Check Marks on Back Cover $ 12
Hardy Boys #7: The Secret of the Caves Very Fine Condition (49) 1970 Printing w/Revised Text $ 15
Hardy Boys #7: The Secret of the Caves Fine Condition (50) 1971 Printing w/Revised Text $ 15
Hardy Boys #7: The Secret of the Caves Very Fine Condition (50) 1971 Printing w/Revised Text $ 15
Hardy Boys #7: The Secret of the Caves Fine Condition (51) 1972 Printing w/Revised Text $ 15
Hardy Boys #7: The Secret of the Caves Very Good Condition (52) 1973 Printing w/Revised Text & Spine Tilt $ 8
Hardy Boys #7: The Secret of the Caves Good Condition (56) 1977 Printing w/Revised Text $ 6
Hardy Boys #7: The Secret of the Caves Fine Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #7: The Secret of the Caves Very Fine Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #7: The Secret of the Caves Very Fine Condition (56) 1977 Printing w/Revised Text $ 10
Hardy Boys #7: The Secret of the Caves Very Good Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #7: The Secret of the Caves Very Fine Condition (56) 1978 Printing w/Revised Text $ 10
Hardy Boys #7: The Secret of the Caves Very Fine Condition (56) 1978 Printing w/Revised Text $ 10
Hardy Boys #7: The Secret of the Caves Fine Condition (56) 1979 Printing w/Revised Text (Uncirculated Library Copy) $ 8
Hardy Boys #8: The Mystery of Cabin Island Fine Condition (46) 1967 Printing w/Revised Text $ 15
Hardy Boys #8: The Mystery of Cabin Island Fine Condition (54) 1975 Printing w/Revised Text $ 10
Hardy Boys #8: The Mystery of Cabin Island Fine Condition (56) 1977 Printing w/Revised Text $ 8
Hardy Boys #8: The Mystery of Cabin Island Very Good Condition (56) 1977 Printing w/Revised Text & Spine Tilt $ 8
Hardy Boys #8: The Mystery of Cabin Island Very Good Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #8: The Mystery of Cabin Island Very Good-Fine Condition (56) 1978 Printing w/Revised Text $ 10
Hardy Boys #8: The Mystery of Cabin Island Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #8: The Mystery of Cabin Island Very Good-Fine Condition (56) 1979 Printing w/Revised Text (Uncirculated Library Copy) $ 8
Hardy Boys #9: The Great Airport Mystery Good Condition (54) 1976 Printing w/Revised Text $ 6
Hardy Boys #9: The Great Airport Mystery Good Condition (56) 1978 Printing w/Revised Text $ 6
Hardy Boys #9: The Great Airport Mystery Very Good-Fine Condition (56) 1978 Printing w/Revised Text $ 10
Hardy Boys #9: The Great Airport Mystery Fine Condition (56) 1979 Printing w/Revised Text (Uncirculated Library Copy w/Pocket in Rear) $ 8
Hardy Boys #10: What Happened at Midnight Good-Very Good Condition (46) 1967 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #10: What Happened at Midnight Very Good Condition (49) 1970 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #10: What Happened at Midnight Good Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 6
Hardy Boys #11: While the Clock Ticked Fine Condition (40) 1963 Printing w/Revised Text $ 30
Hardy Boys #11: While the Clock Ticked Very Good Condition (43) 1964 Printing w/Revised Text $ 12 (2 Copies Available)
Hardy Boys #11: While the Clock Ticked Very Fine Condition (43) 1964 Printing w/Revised Text $ 20
Hardy Boys #11: While the Clock Ticked Very Fine Condition (44) 1965 Printing w/Revised Text $ 20 View
Hardy Boys #11: While the Clock Ticked Good Condition (44) 1965 Printing w/Revised Text $ 8
Hardy Boys #11: While the Clock Ticked Good Condition (44) 1965 Printing w/Revised Text $ 8
Hardy Boys #11: While the Clock Ticked Very Good-Fine Condition (44) 1965 Printing w/Revised Text $ 15 (2 Copies Available)
Hardy Boys #11: While the Clock Ticked Very Fine Condition (48) 1969 Printing w/Revised Text $ 20
Hardy Boys #11: While the Clock Ticked Very Fine Condition (51) 1972 Printing w/Revised Text $ 15
Hardy Boys #11: While the Clock Ticked Fine Condition (52) 1973 Printing w/Revised Text $ 15
Hardy Boys #11: While the Clock Ticked Good Condition (53) 1974 Printing w/Revised Text $ 6
Hardy Boys #11: While the Clock TickedFair-Good Condition (56) 1977 Printing w/Revised Text $ 6
Hardy Boys #11: While the Clock Ticked Very Good-Fine Condition (56) 1978 Printing w/Revised Text $ 10
Hardy Boys #11: While the Clock Ticked Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #12: Footprints Under the Window Fine Condition (48) 1969 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #12: Footprints Under the Window Fine Condition (46) 1970 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #12: Footprints Under the Window Very Fine Condition (56) 1977 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #12: Footprints Under the Window Very Good Condition (56) 1977 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #12: Footprints Under the Window Fine Condition (56) 1977 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #12: Footprints Under the Window Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #13: The Mark on the Door Very Good Condition (46) 1967 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #13: The Mark on the Door Very Good Condition (52) 1972 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #13: The Mark on the Door Very Fine Condition (56) 1977 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #13: The Mark on the Door Very Fine Condition (56) 1977 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #13: The Mark on the Door Good Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 6
Hardy Boys #13: The Mark on the Door Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #13: The Mark on the Door Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #13: The Mark on the Door Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #13: The Mark on the Door Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #14: The Hidden Harbor Mystery Very Good-Fine Condition (40) 1962 Printing w/Revised Text & Nappi Artwork $ 20
Hardy Boys #14: The Hidden Harbor Mystery Fine Condition (40) 1962 Printing w/Revised Text & Nappi Artwork $ 25
Hardy Boys #14: The Hidden Harbor Mystery Very Good-Fine Condition (44) 1965 Printing w/Revised Text & Nappi Artwork $ 20
Hardy Boys #14: The Hidden Harbor Mystery Fine Condition (44) 1965 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #14: The Hidden Harbor Mystery Fine Condition (51) 1972 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #14: The Hidden Harbor Mystery Very Good-Fine Condition (52) 1973 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #14: The Hidden Harbor Mystery Fine Condition(52) 1973 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #14: The Hidden Harbor Mystery Very Fine Condition (52) 1973 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #14: The Hidden Harbor Mystery Very Fine Condition (54) 1975 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #14: The Hidden Harbor Mystery Fair-Good Condition (55) 1977 Printing w/Revised Text & Nappi Artwork $ 5
Hardy Boys #14: The Hidden Harbor Mystery Good Condition (55) 1977 Printing w/Revised Text & Nappi Artwork $ 6
Hardy Boys #14: The Hidden Harbor Mystery Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #14: The Hidden Harbor Mystery Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #15: The Sinister Signpost Very Good Condition (51) 1972 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #15: The Sinister Signpost Good Condition (52) 1973 Printing w/Revised Text & Nappi Artwork $ 8 (2 Copies Available)
Hardy Boys #15: The Sinister Signpost Very Good Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 8
Hardy Boys #15: The Sinister Signpost Very Good-Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #15: The Sinister Signpost Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12 (3 Copies Available)
Hardy Boys #16: A Figure in Hiding Very Good-Fine Condition (51) 1972 Printing w/Revised Text & Sticker Residue on Cover $ 20 View
Hardy Boys #16: A Figure in Hiding Very Fine Condition (52) 1973 Printing w/Revised Text $ 15
Hardy Boys #16: A Figure in Hiding Good Condition (53) 1975 Printing w/Revised Text $ 10
Hardy Boys #16: A Figure in Hiding Very Fine Condition (56) 1977 Printing w/Revised Text $ 12
Hardy Boys #16: A Figure in Hiding Very Good Condition (56) 1978 Printing w/Revised Text $ 8
Hardy Boys #16: A Figure in Hiding Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #16: A Figure in Hiding Very Fine Condition (56) 1978 Printing w/Revised Text $ 12
Hardy Boys #17: The Secret Warning Very Good-Fine Condition (49) 1970 Printing w/Revised Text & Nappi Cover Art $ 20
Hardy Boys #17: The Secret Warning Very Good Condition (52) 1973 Printing w/Revised Text & Nappi Cover Art $ 15
Hardy Boys #17: The Secret Warning Good-Very Good Condition (54) 1976 Printing w/Revised Text & Nappi Cover Art $ 8
Hardy Boys #18: The Twisted Claw Fair-Good Condition (51) 1972 Printing w/Revised Text & Nappi Artwork $ 5
Hardy Boys #18: The Twisted Claw Very Good Condition (52) 1973 Printing w/Revised Text & Nappi Artwork & Check Marks on Rear Cover $ 10
Hardy Boys #18: The Twisted Claw Very Fine Condition (52) 1973 Printing w/Revised Text & Nappi Artwork $ 20
Hardy Boys #18: The Twisted Claw Good Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 8
Hardy Boys #18: The Twisted Claw Very Good Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #18: The Twisted Claw Very Good Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #18: The Twisted Claw Very Good-Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #19: The Disappearing Floor Very Good Condition (44) 1965 Printing w/Revised Text $ 15 (2 Copies Available)
Hardy Boys #19: The Disappearing Floor Fair-Good Condition (44) 1965 Printing w/Revised Text & Slight Spine Tilt $ 6 (2 Copies Available)
Hardy Boys #19: The Disappearing Floor Fine Condition (48) 1969 Printing w/Revised Text $ 20
Hardy Boys #19: The Disappearing Floor Very Good-Fine Condition (49) 1971 Printing w/Revised Text $ 15
Hardy Boys #19: The Disappearing Floor Fine Condition (52) 1973 Printing w/Revised Text & Check Marks on Back Cover $ 15
Hardy Boys #19: The Disappearing Floor Good Condition (56) 1978 Printing w/Revised Text $ 6
Hardy Boys #20: Mystery of the Flying Express Very Good-Fine Condition (52) 1973 Printing w/Revised Text, Nappi Art & Sticker Residue on Cover $ 20 View
Hardy Boys #20: The Mystery of the Flying Express Very Fine Condition (56) 1977 Printing w/Revised Text & Nappi Cover Art $ 15
Hardy Boys #21: The Clue of the Broken Blade Very Good-Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #21: The Clue of the Broken Blade Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #21: The Clue of the Broken Blade Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #23: The Melted Coins Very Good-Fine Condition (49) 1970 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #23: The Melted Coins Very Good-Fine Condition (51) 1972 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #23: The Melted Coins Fine Condition (51) 1972 Printing w/Revised Text & Nappi Artwork $ 20 View
Hardy Boys #23: The Melted Coins Fine Condition (56) 1977 Printing w/Revised Text & Leone Artwork $ 15
Hardy Boys #24: The Short-Wave Mystery Very Good-Fine Condition (46) 1971 Printing w/Revised Text $ 10
Hardy Boys #24: The Short-Wave Mystery Fine Condition (48) 1969 Printing w/Revised Text & Residue from Previous Price Tag on Cover $ 20
Hardy Boys #24: The Short-Wave Mystery Very Fine Condition (56) 1977 Printingw/Revised Text $ 15
Hardy Boys #25: The Secret Panel Good Condition (48) 1969 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #25: The Secret Panel Poor Condition (49) 1970 Printing w/Revised Text & Nappi Artwork; Exterior is Fine; Interior Spine Split $ 3
Hardy Boys #25: The Secret Panel Very Good-Fine Condition (52) 1973 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #25: The Secret Panel Very Fine Condition (52) 1973 Printing w/Revised Text & Nappi Artwork $ 20 (3 Copies Available)
Hardy Boys #25: The Secret Panel Very Fine Condition (53) 1974 Printing w/Revised Text & Nappi Artwork $ 20 View
Hardy Boys #25: The Secret Panel Very Fine Condition (56) 1977 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #25: The Secret Panel Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15 (2 Copies Available)
Hardy Boys #26: The Phantom Freighter Fine Condition (54) 1976 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #26: The Phantom Freighter Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15 (5 Copies Available)
Hardy Boys #26: The Phantom Freighter Good Condition (56) 1979 Printing w/Revised Text & Nappi Artwork $ 8
Hardy Boys #27: The Secret of Skull Mountain Very Good-Fine Condition (52) 1974 Printing w/Revised Text & Nappi Artwork $ 20 View
Hardy Boys #28: The Sign of the Crooked Arrow Very Fine Condition (49) 1971 Printing w/Revised Text & Nappi Artwork $ 25
Hardy Boys #28: The Sign of the Crooked Arrow Very Fine Condition (52) 1965 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #28: The Sign of the Crooked Arrow Good Condition (52) 1974 Printing w/Revised Text & Nappi Artwork $ 8
Hardy Boys #28: The Sign of the Crooked Arrow Good Condition (53) 1974 Printing w/Revised Text & Nappi Artwork $ 8
Hardy Boys #28: The Sign of the Crooked Arrow Good Condition (56) 1977 Printing w/Revised Text & Nappi Artwork & Rear Endpaper Missing $ 5
Hardy Boys #28: The Sign of the Crooked Arrow Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15 (3 Copies Available)
Hardy Boys #29: The Secret of the Lost Tunnel Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15 (2 Copies Available)
Hardy Boys #31: The Secret of Wildcat Swamp Good Condition (48) 1969 Printin w/Revised Text & Nappi Artworkg $ 15
Hardy Boys #31: The Secret of Wildcat Swamp Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #31: The Secret of Wildcat Swamp Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #32: The Crisscross Shadow Very Fine Condition (56) 1977 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #32: The Crisscross Shadow Very Fine Condition (56) 1978 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #32: The Crisscross Shadow Very Fine Condition (56) 1978 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #32: The Crisscross Shadow Very Fine Condition (56) 1979 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #33: The Yellow Feather Mystery Very Fine Condition (55) 1976 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #33: The Yellow Feather Mystery Very Good-Fine Condition (56) 1977 Printing w/Revised Text & 2nd Nappi Artwork & Rear Endpaper Missing $ 10
Hardy Boys #33: The Yellow Feather Mystery Very Fine Condition (56) 1978 Printing w/Revised Text & 2nd Nappi Artwork $ 15 (5 Copies Available)
Hardy Boys #34: The Hooded Hawk Mystery Good-Very Good Condition (56) 1978 Printing w/Revised Text & 2nd Nappi Artwork $ 10
Hardy Boys #34: The Hooded Hawk Mystery Very Fine Condition (56) 1978 Printing w/Revised Text & 2nd Nappi Artwork $ 15 (2 Copies Available)
Hardy Boys #35: The Clue in the Embers Very Good Condition (52) 1975 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #35: The Clue in the Embers Fine Condition (55) 1976 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #35: The Clue in the Embers Very Fine Condition (56) 1978 Printing w/Revised Text & 2nd Nappi Artwork $ 15 (4 Copies Available)
Hardy Boys #36: The Secret of Pirates' Hill Very Fine Condition (55) 1976 Printing w/Revised Text & 2nd Nappi Artwork $ 15
Hardy Boys #37: The Ghost at Skeleton Rock Fine Condition (52) 1973 Printing $ 20
Hardy Boys #38: The Mystery at Devil's Paw Very Fine Condition (52) 1973 Printing w/Second Rudy Nappi Cover Art $ 25 View
Hardy Boys #38: The Mystery at Devil's Paw Very Fine Condition (56) 1978 Printing w/Second Rudy Nappi Cover Art $ 20
Hardy Boys #39: The Mystery of the Chinese Junk Fine Condition (49) 1970 Printing $ 20
Hardy Boys #39: The Mystery of the Chinese Junk Very Good-Fine Condition (49) 1970 Printing $ 15
Hardy Boys #39: The Mystery of the Chinese Junk Very Fine Condition (52) 1973 Printing $ 20
Hardy Boys #39: The Mystery of the Chinese Junk Very Fine Condition (52) 1973 Printing $ 20
Hardy Boys #40: The Mystery of the Desert Giant Fine Condition (50) 1971 Printing $ 20 View
Hardy Boys #40: The Mystery of the Desert Giant Fine Condition (51) 1972 Printing $ 20
Hardy Boys #40: The Mystery of the Desert Giant Fine Condition (51) 1972 Printing $ 20
Hardy Boys #40: The Mystery of the Desert Giant Good Condition (52) 1973 Printing w/Slight Spine Tilt $ 10
Hardy Boys #40: The Mystery of the Desert Giant Good-Very Good Condition (56) 1977 Printing $ 10
Hardy Boys #40: The Mystery of the Desert Giant Very Fine Condition (56) 1978 Printing $ 15
Hardy Boys #40: The Mystery of the Desert Giant Very Fine Condition (56) 1978 Printing $ 15
Hardy Boys #41: The Clue of the Screeching Owl Fair-Good Condition (40) 1962 Printing $ 15
Hardy Boys #41: The Clue of the Screeching Owl Fair-Good Condition (40) 1962 Printing $ 15
Hardy Boys #41: The Clue of the Screeching Owl Good Condition (40) 1964 Printing $ 15
Hardy Boys #41: The Clue of the Screeching Owl Good Condition (47) 1968 Printing $ 10
Hardy Boys #41: The Clue of the Screeching Owl Very Fine Condition (52) 1973 Printing $ 20 View
Hardy Boys #41: The Clue of the Screeching Owl Fair-Good Condition (54) 1976 Printing $ 12
Hardy Boys #41: The Clue of the Screeching Owl Very Fine Condition (55) 1977 Printing $ 15
Hardy Boys #41: The Clue of the Screeching Owl Very Good-Fine Condition (56) 1977 Printing $ 12
Hardy Boys #41: The Clue of the Screeching Owl Very Fine Condition (56) 1977 Printing $ 15
Hardy Boys #42: The Viking Symbol Mystery Very Good Condition (43) 1964 Printing w/Spine Tilt $ 20 View
Hardy Boys #42: The Viking Symbol Mystery Very Good-Fine Condition (49) 1970 Printing $ 15
Hardy Boys #42: The Viking Symbol Mystery Very Good-Fine Condition (50) 1971 Printing $ 15 View
Hardy Boys #42: The Viking Symbol Mystery Very Good-Fine Condition (52) 1973 Printing $ 15
Hardy Boys #42: The Viking Symbol Mystery Very Fine Condition (52) 1973 Printing $ 25
Hardy Boys #42: The Viking Symbol Mystery Very Good-Fine Condition (53) 1974 Printing $ 15
Hardy Boys #42: The Viking Symbol Mystery Very Fine Condition (56) 1977 Printing $ 15
Hardy Boys #43: The Mystery of the Aztec Warrior Fair-Good Condition (43) 1st Printing w/Fold-Out Questionaire (Reservation Card Missing) $ 25
Hardy Boys #43: The Mystery of the Aztec Warrior Good Condition (43) 1964 Printing $ 15
Hardy Boys #43: The Mystery of the Aztec Warrior Fine Condition (44) 1965 Printing $ 25
Hardy Boys #43: The Mystery of the Aztec Warrior Good Condition (46) 1967 Printing $ 12
Hardy Boys #43: The Mystery of the Aztec Warrior Good Condition (48) 1969 Printing w/Slight Spine Tilt & Check Marks on Back Cover $ 12
Hardy Boys #43: The Mystery of the Aztec Warrior Very Good-Fine Condition (55) 1976 Printing $ 12
Hardy Boys #43: The Mystery of the Aztec Warrior Very Fine Condition (56) 1977 Printing $ 15 (2 Copies Available)
Hardy Boys #43: The Mystery of the Aztec Warrior Very Fine Condition (56) 1978 Printing $ 15 (2 Copies Available)
Hardy Boys #44: The Haunted Fort Fine Condition (44) 1st Printing $ 35
Hardy Boys #44: The Haunted Fort Fair-Good Condition (49) 1970 Printing w/Lower Spine Taped $ 4
Hardy Boys #44: The Haunted Fort Good Condition (56) 1978 Printing $ 10
Hardy Boys #44: The Haunted Fort Very Fine Condition (56) 1977 Printing $ 15
Hardy Boys #44: The Haunted Fort Very Fine Condition (56) 1978 Printing $ 15
Hardy Boys #45: The Mystery of the Spiral Bridge Very Good Condition (45) 1966 Printing $ 25 View
Hardy Boys #45: The Mystery of the Spiral Bridge Very Good Condition (50) 1971 Printing $ 15
Hardy Boys #45: The Mystery of the Spiral Bridge Very Good Condition (51) 1972 Printing $ 15
Hardy Boys #45: The Mystery of the Spiral Bridge Very Fine Condition (56) 1977 Printing $ 15
Hardy Boys #46: The Secret Agent on Flight 101 Good Condition (46) 1st Printing w/Front Endpaper Missing $ 15
Hardy Boys #46: The Secret Agent on Flight 101 Fine Condition (46) 1st Printing $ 35
Hardy Boys #46: The Secret Agent on Flight 101 Fair-Good Condition (46) 1st Printing w/Cover Puncture $ 10
Hardy Boys #46: The Secret Agent on Flight 101 Very Good-Fine Condition (48) 1969 Printing $ 20 (4 Copies Available)
Hardy Boys #46: The Secret Agent on Flight 101 Good Condition (49) 1970 Printing $ 12
Hardy Boys #46: The Secret Agent on Flight 101 Very Good-Fine Condition (51) 1972 Printing w/Sticker Residue on Cover $ 20 View
Hardy Boys #46: The Secret Agent on Flight 101 Good Condition (52) 1974 Printing $ 12
Hardy Boys #46: The Secret Agent on Flight 101 Fine Condition (52) 1973 Printing $ 25
Hardy Boys #46: The Secret Agent on Flight 101 Exterior Very Fine Condition (54) 1975 Printing w/Interior Spine Splitting $ 8
Hardy Boys #46: The Secret Agent on Flight 101 Very Fine Condition (56) 1977 Printing $ 15 (3 Copies Available)
Hardy Boys #46: The Secret Agent on Flight 101 Very Good-Fine Condition (56) 1978 Printing $ 12
Hardy Boys #47: Mystery of the Whale Tattoo Very Good-Fine Condition (48) 1969 Printing $ 25
Hardy Boys #47: Mystery of the Whale Tattoo Good Condition (51) 1972 Printing w/Slight Spine Tilt $ 12
Hardy Boys #47: Mystery of the Whale Tattoo Very Good-Fine Condition (51) 1972 Printing $ 20
Hardy Boys #47: Mystery of the Whale Tattoo Very Good Condition (56) 1977 Printing w/Cover Scrape $ 12
Hardy Boys #47: Mystery of the Whale Tattoo Fine Condition (56) 1977 Printing $ 15
Hardy Boys #48: The Arctic Patrol Mystery Fine Condition (52) 1976 Printing $ 20
Hardy Boys #48: The Arctic Patrol Mystery Very Fine Condition (56) 1978 Printing $ 15
Hardy Boys #49: The Bombay Boomerang Fair-Good Condition (49) 1st Printing w/Slight Spine Tilt & Slight Waterstain $ 12 (2 Copies Available)
Hardy Boys #49: The Bombay Boomerang Very Good Condition (52) 1973 Printing $ 15
Hardy Boys #49: The Bombay Boomerang Very Good-Fine Condition (54) 1975 Printing $ 15 (2 Copies Available)
Hardy Boys #49: The Bombay Boomerang Very Good Condition (56) 1977 Printing $ 10
Hardy Boys #49: The Bombay Boomerang Very Fine Condition (56) 1977 Printing $ 15 (3 Copies Available)
Hardy Boys #49: The Bombay Boomerang Very Fine Condition (56) 1978 Printing $ 15 (2 Copies Available)
Hardy Boys #50: Danger on Vampire Trail Fine Condition (52) 1973 Printing w/Slight Spine Tilt $ 25
Hardy Boys #50: Danger on Vampire Trail Fine Condition (53) 1974 Printing $ 25
Hardy Boys #50: Danger on Vampire Trail Good Condition (55) 1976 Printing w/Front Endpaper Missing $ 15
Hardy Boys #50: Danger on Vampire Trail Very Fine Condition (56) 1977 Printing $ 15 (2 Copies Available)
Hardy Boys #50: Danger on Vampire Trail Very Good Condition (56) 1978 Printing $ 10
Hardy Boys #50: Danger on Vampire Trail Very Fine Condition (56) 1978 Printing $ 15
Hardy Boys #51: The Masked Monkey Very Good-Fine Condition (51) 1972 Printing $ 20 View
Hardy Boys #51: The Masked Monkey Very Fine Condition (51) 1972 Printing $ 30
Hardy Boys #51: The Masked Monkey Very Good-Fine Condition (52) 1973 Printing $ 20 (2 Copies Available)
Hardy Boys #51: The Masked Monkey Good Condition (52) 1973 Printing $ 15
Hardy Boys #51: The Masked Monkey Fine Condition (52) 1973 Printing $ 25
Hardy Boys #51: The Masked Monkey Very Fine Condition (53) 1974 Printing $ 25
Hardy Boys #51: The Masked Monkey Good Condition (54) 1975 Printing $ 12
Hardy Boys #51: The Masked Monkey Very Fine Condition (56) 1978 Printing $ 15
Hardy Boys #52: The Shattered Helmet Very Good Condition (52) 1973 Printing $ 25
Hardy Boys #52: The Shattered Helmet Very Good-Fine Condition (52) 1973 Printing $ 30
Hardy Boys #52: The Shattered Helmet Very Good Condition (54) 1975 Printing $ 15
Hardy Boys #52: The Shattered Helmet Fine Condition (54) 1975 Printing $ 20
Hardy Boys #52: The Shattered Helmet Very Good Condition (56) 1977 Printing $ 10
Hardy Boys #52: The Shattered Helmet Very Fine Condition (56) 1977 Printing $ 15
Hardy Boys #52: The Shattered Helmet Very Fine Condition (56) 1978 Printing $ 15
Hardy Boys #53: The Clue of the Hissing Serpent Good Condition 1974 1st Printing w/Slight Spine Tilt $ 15
Hardy Boys #53: The Clue of the Hissing Serpent Very Good-Fine Condition 1974 Printing $ 25
Hardy Boys #53: The Clue of the Hissing Serpent Very Fine Condition (53) 1974 Printing $ 30
Hardy Boys #53: The Clue of the Hissing Serpent Very Fine Condition (54) 1977 Printing $ 20
Hardy Boys #53: The Clue of the Hissing Serpent Very Fine Condition (55) 1977 Printing $ 20
Hardy Boys #53: The Clue of the Hissing Serpent Very Fine Condition (56) 1977 Printing $ 20 (2 Copies Available)
Hardy Boys #53: The Clue of the Hissing Serpent Very Fine Condition (56) 1977 Printing $ 20
Hardy Boys #53: The Clue of the Hissing Serpent Fine(56) 1977 Printing w/Previous Owner's Name in Magic Marker on Endpaper $ 12
Hardy Boys #53: The Clue of the Hissing Serpent Fine Condition (56) 1978A-14th Printing $ 15 (2 Copies Available)
Hardy Boys #54: The Mysterious Caravan Very Good-Fine Condition (54) 1975 Probable 1st Printing $ 35
Hardy Boys #54: The Mysterious Caravan Good Condition (54) 1975 Probable 1st Printing w/Slight Spine Tilt $ 20
Hardy Boys #54: The Mysterious Caravan Very Fine Condition (54) 1977 Printing $ 20 View
Hardy Boys #54: The Mysterious Caravan Very Good-Fine Condition (56) 1976 Printing $ 20
Hardy Boys #54: The Mysterious Caravan Very Good-Fine Condition (55) 1977 Printing $ 20
Hardy Boys #54: The Mysterious Caravan Fine Condition (55) 1977 Printing $ 20
Hardy Boys #54: The Mysterious Caravan Fine Condition Condition (56) 1977 Printing $ 20
Hardy Boys #54: The Mysterious Caravan Good Condition (56) 1978 Printing $ 12
Hardy Boys #54: The Mysterious Caravan Fine Condition (56) 1978 Printing $ 20 (4 Copies Available)
Hardy Boys #55: The Witchmaster's Key Good Condition 1st Printing $ 20
Hardy Boys #55: The Witchmaster's Key Very Fine Condition (56) 1977 Printing $ 30
Hardy Boys #55: The Witchmaster's Key Very Good-Fine Condition (56) 1977 Printing $ 20
Hardy Boys #55: The Witchmaster's Key Very Fine Condition (56) 1978 Printing $ 25 (2 Copies Available)
Hardy Boys #56: The Jungle Pyramid Very Good Condition (56) 1977 Printing $ 25
Hardy Boys #56: The Jungle Pyramid Fine Condition (56) 1977 Printing $ 30
Hardy Boys #56: The Jungle Pyramid Very Fine Condition (56) 1977 Printing $ 30
Hardy Boys #56: The Jungle Pyramid Good Condition (56) 1978 Printing $ 15
Hardy Boys #56: The Jungle Pyramid Very Fine Condition (56) 1978 Printing $ 25
Hardy Boys #57: The Firebird Rocket Fair Condition (57) 1st Printing Former Library Copy w/Waterstain, Check Marks on Back Cover $ 10
Hardy Boys #57: The Firebird Rocket Very Fine Condition (56) 1978 Printing $ 30

Grosset & Dunlap Pictorial Cover Editions w/White Oval Endpapers:
Hardy Boys #2: The House on the Cliff Very Fine Condition (58) 1987 Printing w/Revised Text $ 10
Hardy Boys #2: The House on the Cliff Very Fine Condition (58) 1990 Printing w/Revised Text $ 10
Hardy Boys #3: The Secret of the Old Mill Fine Condition (58) 1985 Printing w/Revised Text & Sticker Residue on Cover $ 5
Hardy Boys #3: The Secret of the Old Mill Very Fine Condition (58) 1984 Printing w/Revised Text $ 10
Hardy Boys #3: The Secret of the Old Mill Very Fine Condition (58) Probable 1985 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Very Fine Condition (58) 1980 Printing w/Revised Text $ 12
Hardy Boys #4: The Missing Chums Very Fine Condition (58) 1984 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Very Fine Condition (58) 1986 Printing w/Revised Text $ 10
Hardy Boys #4: The Missing Chums Good Condition (58) 1987 Printing w/Revised Text $ 5
Hardy Boys #5: Hunting for Hidden Gold Very Good-Fine Condition (58) 1980 Printing w/Revised Text $ 8
Hardy Boys #5: Hunting for Hidden Gold Good Condition (58) 1985 Printing w/Revised Text $ 5
Hardy Boys #5: Hunting for Hidden Gold Very Fine Condition (58) 1986 Printing w/Revised Text $ 10
Hardy Boys #7: The Secret of the Caves Very Fine Condition (58) 1986 Printing w/Revised Text $ 10
Hardy Boys #9: The Great Airport Mystery Very Good-Fine Condition (58) 1982 Printing w/Revised Text $ 8
Hardy Boys #9: The Great Airport Mystery Very Good-Fine Condition (58) 1986 Printing w/Revised Text $ 8
Hardy Boys #10: What Happened at Midnight Fair-Good Condition (58) 1985 Printing w/Revised Text & Nappi Artwork $ 5
Hardy Boys #11: While the Clock Ticked Very Good Condition (58) 1986 Printing w/Revised Text $ 8
Hardy Boys #12: Footprints Under the Window Very Fine Condition (58) 1986 Printing w/Revised Text $ 12
Hardy Boys #15: The Sinister Signpost Good Condition (58) 1980's Printing w/Revised Text & Nappi Artwork $ 6
Hardy Boys #16: A Figure in Hiding Very Fine Condition (58) 1986 Printing w/Revised Text $ 12
Hardy Boys #18: The Twisted Claw Very Fine Condition (58) 1987 Printing w/Revised Text $ 10
Hardy Boys #18: The Twisted Claw Good Condition (58) 1987 Printing w/Revised Text Reading Copy Only -- 2 holes drilled in front cover $ 4
Hardy Boys #20: The Mystery of the Flying Express Fair-Good Condition (58) 1980's Printing w/Revised Text & Nappi Cover Art $ 3
Hardy Boys #20: The Mystery of the Flying Express Very Fine Condition (58) 1980 Printing w/Revised Text & Nappi Cover Art $ 12
Hardy Boys #21: The Clue of the Broken Blade Fine Condition (58) 1985 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #22: The Flickering Torch Mystery Very Fine Condition (56) 1978 Printing w/Revised Text & Nappi Artwork $ 15
Hardy Boys #22: The Flickering Torch Mystery Very Fine Condition (58) 1986 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #25: The Secret Panel Very Good Condition (58) 1986 Printing w/Revised Text & Nappi Artwork $ 8
Hardy Boys #27: The Secret of Skull Mountain Very Fine Condition (58) 1980 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #27: The Secret of Skull Mountain Very Fine Condition (58) 1985 Printing w/Revised Text & Nappi Artwork $ 12 (2 Copies Available)
Hardy Boys #28: The Sign of the Crooked Arrow Fine Condition (58) 1985 Printing w/Revised Text & Nappi Artwork $ 12
Hardy Boys #31: The Secret of Wildcat Swamp Very Good-Fine Condition (58) 1981 Printing w/Revised Text & Nappi Artwork $ 10
Hardy Boys #33: The Yellow Feather Mystery Very Fine Condition (58) 1981 Printing w/Revised Text & 2nd Nappi Artwork $ 12
Hardy Boys #34: The Hooded Hawk Mystery Very Good Condition (58) 1985 Printing w/Revised Text & 2nd Nappi Artwork $ 10
Hardy Boys #36: The Secret of Pirate's Hill Very Fine Condition (58) 1981 Printing w/Revised Text & 2nd Nappi Artwork $ 12 (2 Copies Available)
Hardy Boys #36: The Secret of Pirate's Hill Very Fine Condition (58) 1982 Printing w/Revised Text & 2nd Nappi Artwork $ 12
Hardy Boys #36: The Secret of Pirate's Hill Very Fine Condition (58) 1985 Printing w/Revised Text & 2nd Nappi Artwork $ 12
Hardy Boys #37: The Ghost at Skeleton Rock Very Fine Condition (54) 1980 Printing $ 15
Hardy Boys #37: The Ghost at Skeleton Rock Very Fine Condition (58) 1980 Printing $ 15
Hardy Boys #38: The Mystery at Devil's Paw Very Fine Condition (56) 1982 Printing w/Second Rudy Nappi Cover Art $ 20
Hardy Boys #39: The Mystery of the Chinese Junk Very Fine Condition (52) 1984 Printing $ 12
Hardy Boys #40: The Mystery of the Desert Giant Very Fine Condition (56) 1982 Printing $ 12
Hardy Boys #42: The Viking Symbol Mystery Very Fine Condition (58) 1981 Printing $ 12
Hardy Boys #43: The Mystery of the Aztec Warrior Very Fine Condition (58) 1980 Printing $ 12
Hardy Boys #43: The Mystery of the Aztec Warrior Very Fine Condition (58) 1985 Printing $ 12
Hardy Boys #44: The Haunted Fort Good-Very Good Condition (58) 1980 Printing $ 10
Hardy Boys #44: The Haunted Fort Good Condition (58) 1980's Printing $ 6
Hardy Boys #45: The Mystery of the Spiral Bridge Very Fine Condition (58) 1980 Printing $ 12
Hardy Boys #48: The Arctic Patrol Mystery Very Fine Condition (58) 1980 Printing $ 20 View
Hardy Boys #48: The Arctic Patrol Mystery Very Fine Condition (58) 1983 Printing $ 12
Hardy Boys #50: Danger on Vampire Trail Fine Condition (58) 1980 Printing $ 15
Hardy Boys #51: The Masked Monkey Very Fine Condition (58) 1980 Printing $ 12
Hardy Boys #52: The Shattered Helmet Very Fine Condition (58) 1980 Printing $ 12
Hardy Boys #52: The Shattered Helmet Very Good-Fine Condition (58) 1983 Printing $ 10
Hardy Boys #53: The Clue of the Hissing Serpent Very Good-Fine Condition (58) 1980 Printing $ 12
Hardy Boys #53: The Clue of the Hissing Serpent Very Good-Fine Condition (58) 1986 Printing $ 12
Hardy Boys #53: The Clue of the Hissing Serpent Very Good Condition (58) 1987 Printing $ 10
Hardy Boys #56: The Jungle Pyramid Very Good-Fine Condition (58) 1986 Printing $ 12
Hardy Boys #57: The Firebird Rocket Very Good Condition (58) 1984 Printing $ 15
Hardy Boys #57: The Firebird Rocket Very Good-Fine Condition (58) 1984 Printing $ 20
Hardy Boys #58: The Sting of the Scorpion Fine Condition (58) 1980 Printing $ 25 (2 Copies Available)
Hardy Boys #58: The Sting of the Scorpion Fine Condition (58) 1985 Printing $ 20

Grosset & Dunlap Pictorial Cover Editions w/Flashlight Spine Emblems:
Hardy Boys #1: The Tower Treasure Very Fine Condition 1989 Printing $ 3
Hardy Boys #1: The Tower Treasure Very Fine Condition 1995 Printing $ 3
Hardy Boys #1: The Tower Treasure Very Fine Condition 1996 Printing $ 3
Hardy Boys #1: The Tower Treasure Very Fine Condition 1997 Printing $ 3
Hardy Boys #1: The Tower Treasure Very Fine Condition Scholastic 1st Printing 1992 w/Text Bound Upside Down $ 1
Hardy Boys #2: The House on the Cliff Fine Condition 1993 Printing $ 3
Hardy Boys #2: The House on the Cliff Fine Condition 1995 Printing $ 3
Hardy Boys #3: The Secret of the Old Mill Very Fine Condition 1996 Printing $ 3
Hardy Boys #4: The Missing Chums Very Fine Condition 1996 Printing $ 3
Hardy Boys #6: The Shore Road Mystery Fine Condition 1996 Printing $ 3
Hardy Boys #10: What Happened at Midnight Fine Condition 1995 Printing $ 3
Hardy Boys #18: The Twisted Claw Very Fine Condition 1992 Printing $ 3
Hardy Boys #20: The Mystery of the Flying Express Very Fine Condition 1997 Printing $ 3
Hardy Boys #51: The Masked Monkey Fine Condition 1996 Printing $ 3
Hardy Boys #51: The Masked Monkey Fine Condition 1997 Printing $ 3
Hardy Boys #57: The Firebird Rocket Very Fine Condition Early 1990's Printing $ 3
Hardy Boys #57: The Firebird Rocket Very Fine Condition 1992 Printing $ 3
Hardy Boys #58: The Sting of the Scorpion Very Fine Condition 1994 Printing $ 3
Hardy Boys #58: The Sting of the Scorpion Very Fine Condition 2000 Printing $ 3

Grosset & Dunlap Pale Blue Spine Library Binding Pictorial Cover Editions:
Hardy Boys #7: The Secret of the Caves Fine Condition Former Library Copy $ 3
Hardy Boys #14: The Hidden Harbor Mystery Very Fine Condition Not a Former Library Copy $ 10
Hardy Boys #15: The Sinister Signpost Very Fine Condition Not a Former Library Copy $ 10
Hardy Boys #16: A Figure in Hiding Very Fine Condition Not a Former Library Copy $ 10
Hardy Boys #17: The Secret Warning Very Fine Condition Not a Former Library Copy $ 10
Hardy Boys #18: The Twisted Claw Very Fine Condition Not a Former Library Copy $ 10

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