Hardy Boys 37: The Ghost at Skeleton Rock
Franklin W. Dixon
The Hardy Boys Mystery Stories (37)
Hardy Boys 38: Mystery at Devil's Paw
The Hardy Boys Mystery Stories (38)
Hardy Boys 40: Mystery of the Desert Giant
The Hardy Boys Mystery Stories (40)
Hardy Boys 41: The Clue of the Screeching Owl
The Hardy Boys Mystery Stories (41)
Hardy Boys 44: The Haunted Fort
The Hardy Boys Mystery Stories (44)
Hardy Boys 45: The Mystery of the Spiral Bridge
The Hardy Boys Mystery Stories (45)
Hardy Boys 48: The Arctic Patrol Mystery
The Hardy Boys Mystery Stories (48)
Hardy Boys 49: The Bombay Boomerang
The Hardy Boys Mystery Stories (49)
Hardy Boys 51: The Masked Monkey
The Hardy Boys Mystery Stories (50)
Hardy Boys 52: The Shattered Helmet
The Hardy Boys Mystery Stories (52)
Hardy Boys 53: The Clue of the Hissing Serpent
The Hardy Boys Mystery Stories (53)
Hardy Boys 54: The Mysterious Caravan
The Hardy Boys Mystery Stories (54)
Hardy Boys 55: The Witchmaster's Key
The Hardy Boys Mystery Stories (55)
Hardy Boys 58: The Sting of the Scorpion
The Hardy Boys Mystery Stories (58)
The Hidden Harbor Mystery
The Hardy Boys Mystery Stories (14)
Hidden Mountain
The Hardy Boys Mystery Stories (186)
Hide-And-Sneak
The Hardy Boys Mystery Stories (174)
High-Speed Showdown
The Hardy Boys Mystery Stories (137)
The House on the Cliff
The Hardy Boys Mystery Stories (2)
The Hunt for Four Brothers
The Hardy Boys Mystery Stories (155)
Hunting for Hidden Gold
The Hardy Boys Mystery Stories (5)
The Hypersonic Secret
The Hardy Boys Mystery Stories (135)
The Ice-Cold Case
The Hardy Boys Mystery Stories (148)
In Plane Sight
The Hardy Boys Mystery Stories (176)
The Infinity Clue
The Hardy Boys Mystery Stories (70)
The Jungle Pyramid
The Hardy Boys Mystery Stories (56)
Kickoff to Danger
The Hardy Boys Mystery Stories (170)
The London Deception
The Hardy Boys Mystery Stories (158)
Lost in Gator Swamp
The Hardy Boys Mystery Stories (142)
The Lure of the Italian Treasure
The Hardy Boys Mystery Stories (157)
The Mark of the Blue Tattoo
The Hardy Boys Mystery Stories (146)
The Mark on the Door
The Hardy Boys Mystery Stories (13)
Maximum Challenge
The Hardy Boys Mystery Stories (132)
The Million-Dollar Nightmare
The Hardy Boys Mystery Stories (103)
The Missing Chums
The Hardy Boys Mystery Stories (4)
The Money Hunt
The Hardy Boys Mystery Stories (101)
Motocross Madness
The Hardy Boys Mystery Stories (190)
The Mummy Case
The Hardy Boys Mystery Stories (63)
The Mystery in the Old Mine
The Hardy Boys Mystery Stories (121)
The Mystery of Cabin Island
The Hardy Boys Mystery Stories (8)
Mystery of Smugglers Cove
The Hardy Boys Mystery Stories (64)
The Mystery of the Aztec Warrior
The Hardy Boys Mystery Stories (43)
The Mystery of the Black Rhino
The Hardy Boys Mystery Stories (178)
The Mystery of the Chinese Junk
The Hardy Boys Mystery Stories (39)
The Mystery of the Flying Express
The Hardy Boys Mystery Stories (20)
Mystery of the Samurai Sword
The Hardy Boys Mystery Stories (60)
The Mystery of the Silver Star
The Hardy Boys Mystery Stories (86)
Mystery of the Whale Tattoo
The Hardy Boys Mystery Stories (47)
Mystery on Makatunk Island
The Hardy Boys Mystery Stories (125)
Mystery With a Dangerous Beat
The Hardy Boys Mystery Stories (124)
Night of the Werewolf
The Hardy Boys Mystery Stories (59)
No Way Out
The Hardy Boys Mystery Stories (187)
One False Step
The Hardy Boys Mystery Stories (189)
The Outlaw's Silver
The Hardy Boys Mystery Stories (67)
Panic on Gull Island
The Hardy Boys Mystery Stories (107)
Passport to Danger
The Hardy Boys Mystery Stories (179)
Past and Present Danger
The Hardy Boys Mystery Stories (166)
The Pentagon Spy
The Hardy Boys Mystery Stories (61)
The Prime-Time Crime
The Hardy Boys Mystery Stories (109)
Program for Destruction
The Hardy Boys Mystery Stories (87)