The Alaskan Adventure
Franklin W. Dixon
The Hardy Boys Mystery Stories (138)
The Apeman's Secret
The Hardy Boys Mystery Stories (62)
Attack of the Video Villains
The Hardy Boys Mystery Stories (106)
The Baseball Card Conspiracy
The Hardy Boys Mystery Stories (117)
The Billion Dollar Ransom
The Hardy Boys Mystery Stories (73)
The Blackwing Puzzle
The Hardy Boys Mystery Stories (82)
Breakdown in Axeblade
The Hardy Boys Mystery Stories (94)
The Caribbean Cruise Caper
The Hardy Boys Mystery Stories (154)
Carnival of Crime
The Hardy Boys Mystery Stories (122)
The Case of the Cosmic Kidnapping
The Hardy Boys Mystery Stories (120)
The Case of the Counterfeit Criminals
The Hardy Boys Mystery Stories (114)
The Case of the Psychic's Vision
The Hardy Boys Mystery Stories (177)
Cast of Criminals
The Hardy Boys Mystery Stories (97)
The Castle Conundrum
The Hardy Boys Mystery Stories (168)
Cave-In
The Hardy Boys Mystery Stories (78)
The Chase for the Mystery Twister
The Hardy Boys Mystery Stories (149)
The Clue in the Embers
The Hardy Boys Mystery Stories (35)
The Clue of the Broken Blade
The Hardy Boys Mystery Stories (21)
The Cold Cash Caper
The Hardy Boys Mystery Stories (136)
Crime in the Cards
The Hardy Boys Mystery Stories (165)
Crime in the Kennel
The Hardy Boys Mystery Stories (133)
The Crimson Flame
The Hardy Boys Mystery Stories (77)
The Crisscross Crime
The Hardy Boys Mystery Stories (150)
The Crisscross Shadow
The Hardy Boys Mystery Stories (32)
Cross-Country Crime
The Hardy Boys Mystery Stories (134)
The Crusade of the Flaming Sword
Franklin W. Dixon & Anne Greenberg
The Hardy Boys Mystery Stories (131)
Danger in the Extreme
The Hardy Boys Mystery Stories (152)
Danger in the Fourth Dimension
The Hardy Boys Mystery Stories (118)
Danger on the Air
The Hardy Boys Mystery Stories (95)
Danger on the Diamond
The Hardy Boys Mystery Stories (90)
Danger on Vampire Trail
The Hardy Boys Mystery Stories (50)
The Dangerous Transmission
The Hardy Boys Mystery Stories (184)
Daredevils
The Hardy Boys Mystery Stories (159)
Day of the Dinosaur
The Hardy Boys Mystery Stories (128)
Demolition Mission
The Hardy Boys Mystery Stories (112)
The Demon's Den
Franklin W. Dixon & Paul Frame
The Hardy Boys Mystery Stories (81)
The Desert Thieves
The Hardy Boys Mystery Stories (141)
The Disappearing Floor
The Hardy Boys Mystery Stories (19)
Double Jeopardy
The Hardy Boys Mystery Stories (181)
Dungeon of Doom
The Hardy Boys Mystery Stories (99)
The End of the Trail
The Hardy Boys Mystery Stories (162)
Eye on Crime
The Hardy Boys Mystery Stories (153)
Farming Fear
The Hardy Boys Mystery Stories (188)
Fear on Wheels
The Hardy Boys Mystery Stories (108)
A Figure in Hiding
The Hardy Boys Mystery Stories (16)
The Firebird Rocket
The Hardy Boys Mystery Stories (57)
Footprints Under the Window
The Hardy Boys Mystery Stories (12)
The Four-Headed Dragon
The Hardy Boys Mystery Stories (69)
A Game Called Chaos
The Hardy Boys Mystery Stories (160)
Game Plan for Disaster
The Hardy Boys Mystery Stories (76)
Ghost of a Chance
The Hardy Boys Mystery Stories (169)
The Giant Rat of Sumatra
The Hardy Boys Mystery Stories (143)
The Great Airport Mystery
The Hardy Boys Mystery Stories (9)
Hardy Boys 22: The Flickering Torch Mystery
The Hardy Boys Mystery Stories (22)
Hardy Boys 23: The Melted Coins
The Hardy Boys Mystery Stories (23)
Hardy Boys 25: The Secret Panel
The Hardy Boys Mystery Stories (25)
Hardy Boys 26: The Phantom Freighter
The Hardy Boys Mystery Stories (26)
Hardy Boys 27: The Secret of Skull Mountain
The Hardy Boys Mystery Stories (27)
Hardy Boys 34: The Hooded Hawk Mystery
The Hardy Boys Mystery Stories (34)
Hardy Boys 36: The Secret of Pirates' Hill
The Hardy Boys Mystery Stories (36)