Image Size:

Right now on eBay
Hardy Boys #7 The Secret of the Caves (1937A-13) Original White Spine DJ
Buy: $49.95
Hardy Boys 7 The Secret of the Caves Hardcover Book
Buy: $1.75
1964  The Hardy Boys - The Secret of The Caves   #7
$3.0
Hardy Boys 6 Undercover Brothers Secret Files Chapter Books Level 3-4 Ages 7-11
$13.99
HARDY BOYS MYSTERY STORIES BY FRANKLIN DIXON 7 VINTAGE CLASSIC HARDCOVERS DIXON
$23.5
Vintage The Hardy Boys Series Hardback Lot of 7 Franklin W. Dixon
$25.0
The Hardy Boys #7 - The Secret of the Caves
Buy: $6.0
7 Hardy Boys Bks, Franklin Dixon; #1-5,34,55/Hooded Hawk/Witchmaster's Key
$3.99
The Hardy Boys Mystery Book Lot Of 7 Books Franklin W. Dixon Hard Cover Childern
$34.99
Hardy Boys hardcover #7 – The Secret of the Caves (1992) (Very Good Condition)
Buy: $2.0
Hardy Boys Mystery HC  Books Blue glossy ed  Lot of ( 7 ) BOOKS not in sequence
$19.99
The Hardy Boys - Vintage Mixed lot of 7 hardbacks
Buy: $13.85
The Hardy Boys Mysteries Set Lot 10 Hardcover Flashlight Books 1-7, 10, 17,44
$22.49
The Hardy Boys 7 The Secret Of The Caves Flashlight Edition
$5.99
The Hardy Boys #7 THE SECRET OF THE CAVES 1957B - 44  Edition
$9.0
Vintage HARDY BOYS (7)
$24.99
The Secret of the Caves (Hardy Boys, Book 7) by Franklin W. Dixon  <br/> by Franklin W. Dixon | Hardcover
Buy: $3.69
Vintage Hardy Boys 1960s Lot Of 7  # 1, 3, 4, 5, 6, 8, 19 Very Good Condition
Buy: $25.0
LOT OF 2 VINTAGE HARDY BOYS MYSTERY BOOKS Case Files - 1987 paperbacks 6 & 7
$4.0
1964 Vintage The Hardy Boys #7 The Secret Of The Caves Book by Dixon Hardcover
Buy: $2.99
14 Hardy Boys Series Mystery Books Dixon–1-3-6-7-8-16-22-29-35-39-42-43-44-50
$13.99
Deathgame : Hardy Boys Case Files Vol. 7 (1987, Paperback)
$2.99
HARDY BOYS, Franklin Dixon, Lot of 7 Books (VINTAGE)
$29.95
Hardy Boys #7 The Secret of the Caves Orange EPs DJ
$14.99
Hardy Boys Lot of 7 Hardcovers- Matte And Flashlight - 1,2,4,6,7,30,40
$16.99
Lot of 7Hardy Boys hardcover books
$18.0
Hardy Boys Series #7 The Secret of the Caves by Franklin W Dixon
$7.99
Hardy Boys #7, The Secret of the Caves, Early Picture Cover
Buy: $6.0
Hardy Boys # 7 The Secret Of The Caves Franklin W. Dixon Hardcover Book
Buy: $5.99
HARDY BOYS #7: THE SECRET OF THE CAVES by Franklin W. Dixon 1965A Printing
$7.99
7 Hardy Boys Hardback Books Very Nice and Unique Edition!
Buy: $29.99
HARDY BOYS 7 THE SECRET OF THE CAVES-1964 Revised Text & Cover, White end-sheets
Buy: $8.18
Hardy Boys #7, The Secret of the Caves, F W Dixon, Early Picture Cover
$22.5
Lot of 7 The Hardy Boys Franklin W. Dixon Home School Childrens
$15.88
Hardy Boys #7 SECRET OF THE CAVES Franklin W Dixon Vintage Hardcover
$5.94
HARDY BOYS #7 The Secret Of The Caves 1930A-3
$125.0
The Hardy Boys #7 The Secret of the Caves © 1929 Orange Gretta Endpapers
$12.5
Hardy Boys Adventures Vol. 2,3,4,5,6,7,8,9,10 Franklin W.Dixon, Set Hardcover
$56.99
Hardy Boys #7 - The Secret of the Caves by Franklin W. Dixon HB/DJ 1960 B-50
$20.0
#2 AND #7 HARDY BOYS BY FRANKLIN W. DIXON
$2.85
Hardy Boys #7 Secret of the Caves, DJ, Orange Endpapers
$22.5
Vtg Hardy Boys #7 The Secret Of The Caves Dated 1964 Hardcover
$12.76
Hardy Boys Mystery # 7 SECRET OF THE CAVES Franklin Dixon Late 50's,Clue Embers
$16.99
THE HARDY BOYS #7 THE SECRET OF THE CAVES BY FRANKLIN W. DIXON
Buy: $9.99
Hardy Boys No.7 SECRET OF THE CAVES Franklin Dixon, HC/DJ circa 1960
$17.67
Hardy Boys #7, The Secret of the Caves, DJ, 1940s Edition
$22.5
Hardy Boys #7, The Secret of the Caves, Early Picture Cover, 1960s
$8.5
Hardy Boys #7 THE SECRET OF THE CAVES 1929B-2 Second prtg of first edition
$200.0
Lot 7 - YA Mystery - Hardy Boys, PJ Clover, Blondie Dagwood, etc
$9.99
HARDY BOYS BOOK WITH DUST JACKET—#7—The Secret of the Caves—1929
$19.95
Hardy Boys #7, The Secret of the Caves, Early Picture Cover
Buy: $9.5
Hardy Boys Vintage Book # 7 The Secret Of The Caves HB
$7.99
Hardy Boys Lot of 7 Early Editions Illustrated Endpapers
$28.0
Hardy Boys books- lot of 7 Grosset & Dunlap 1932 brown covers
Buy: $150.0
Vintage The Hardy Boys The Secret of the Caves #7 
Buy: $6.49
(7) Hardy Boys Hardcover Books 1 3 7 14 15 16 18 TOWER TREASURE Twisted Claw +++
$13.75
Vintage Hardy Boys Books by Franklin W Dixon - Lot of 4 - 7, 8, 19, 33
$15.0
*VINTAGE* Hardy Boys #7, THE SECRET OF THE CAVES, 1930A - 3  EDITION (FAUX DJ)
$79.99
Hardy Boys #7 - The Secret of the Caves by Franklin W. Dixon HB / DJ 1959A-47 DJ
$25.0
The Hardy Boys Mystery Series Vintage Hardcover Lot  5, 6, 7, 9,10
Buy: $14.88
Hardy Boys Lot of 7 Blue Books, 2 Matte 5 Glossy, 23 24 1 2 4 5 6 Frank Dixon
$23.99
ED HARDY BOYS SIZE 7/8 GRAPHIC TSHIRT
$14.0
ED HARDY boys kids 6 7 bulldog dog with cap hat burnt orange t-shirt tee top NEW
$21.0
The Hardy Boys #3, The Secret of the Old Mill, Applewood, 7th Printing, DJ, 1991
$13.5
THE HARDY BOYS #7 THE SECRET OF THE CAVES by FRANKLIN W. DIXON HC 1997 printing
$8.99
THE SECRET OF THE CAVES, Hardy Boys No. 7 in DJ ca 1931-32, Early printing
$269.95
The Pirate Ghost (Hardy Boys Clue Book #7)
$2.49
The Pirate Ghost (Hardy Boys Clue Book #7)
$6.99
*VINTAGE* Hardy Boys #7 THE SECRET OF THE CAVES, 1931A - 5 EDITION  (FAUX DJ)
$79.99
Hardy Boys Book Lot Adventures Vol 3-7 Complete Teacher Classroom Dixon --UUX
$10.79
The Hardy Boys- Mixed PB's and 1 HC- Lot of 7, Detective Handbook, Mysteries
$15.47
The Hardy Boys  #7  SECRET OF THE CAVES  Second Printing  1929 B - 2 (Faux DJ)
$79.99
The Hardy Boys #7, The SECRET OF THE CAVES DJ, 1955A - 39 Edition “MINT"
$49.99
LOT of 7 BOOKS: HARDY BOYS MYSTERIES  SERIES # 1, 2, 3, 4, 7, 45
$9.99
Lot 13~The Hardy Boys Undercover Brothers paperbacks~1-5 7-11 13 14+ Mystery
$34.95
Hardy Boys Book The Secret of the Caves ~ Franklin Dixon #7 1964 HC Free Ship
$9.99
Lot of 7 Vintage Hardy Boys Blue Matte Hardcover Books (1-7 in Series) 1959-64
$24.99
THE HARDY BOYS FLASHLIGHT SERIES - LOT OF 7 HC (#1 - #7) - Awesome...C3
$14.99
3 Hardy Boys Books by Franklin W. Dixon  Hardcover Volume 1, 4, 7 Mystery. EUC
$12.99
The Hardy Boys: The Secret of the Caves 7 by Franklin W. Dixon (1929,...
Buy: $7.98
The Hardy Boys # 7 SECRET OF THE CAVES YELLOW SPINE FIRST ART *RARE* FAUX DJ
$29.99
*VINTAGE* The Hardy Boys #7, HUNTING FOR HIDDEN GOLD, 1946A- 29 Edition
$29.99
The Hardy Boys # 7 THE SECRET OF THE CAVES 1949C - 32  Edition
$29.99
Deathgame (Hardy Boys Casefiles, Case 7)-ExLibrary
Buy: $7.99
Lot of Two Hardy boys graphic novels #2 #7 Running On Fumes & Opposite Number
Buy: $10.99
The Hardy Boys # 7 THE SECRET OF THE CAVES 1960A - 49  Edition   MINT
$49.99
The Hardy Boys # 7 THE SECRET OF THE CAVES 1962A - 52  Edition   MINT
$49.99
The Hardy Boys #13 THE MARK ON THE DOOR 1939 A - 7  Edition 7th Printing
$79.99
*VINTAGE* The Hardy Boys #7, HUNTING FOR HIDDEN GOLD, 1951A- 36 Edition
$29.99
Hardy Boys Clue Book: The Pirate Ghost 7 by Franklin W. Dixon (2018, Paperback)
Buy: $6.73
Hardy Boys Dixon Glossy Flashlight Edition Mystery 8 Books 2-4, 7-8, 10-12
$24.99
Hardy Boys Flashlight Series, by Franklin W Dixon--Lot of 7 books (See Below)
Buy: $26.26
The Hardy Boys # 7 THE SECRET OF THE CAVES 1946A - 25  Edition
$29.99
*VINTAGE* Hardy Boys #17, THE SECRET WARNING 1954A - 7 EDITION  *ALMOST MINT*
$49.99
37 HARDY BOYS by FRANKLIN W. DIXON; Circa 2004-7 Printing
Buy: $99.99
Ed Hardy Boys Girls Embellished T-Shirt Tee Love Kills Black Sz Large 6 7 8
$13.25
Deathgame (Hardy Boys Casefiles, Case 7) by Franklin W. Dixon
$3.94
Buried in Time (Nancy Drew & Hardy Boys Super Mysteries #7)
$3.73
Deathgame (Hardy Boys Casefiles, Case 7) by Dixon, Franklin W.
$6.45
Hardy Boys Graphic Novels: The Opposite Numbers 7 by Scott Lobdell (2006, Paper…
$1.68