A Figure in Hiding
Franklin W. Dixon
The Hardy Boys Mystery Stories (16)
Feeding Frenzy
The Hardy Boys Undercover Brothers (20)
Fear on Wheels
The Hardy Boys Mystery Stories (108)
Fast Break
The Hardy Boys Casefiles (110)
Farming Fear
The Hardy Boys Mystery Stories (188)
Eye On Crime
The Hardy Boys Mystery Stories (153)
Extreme Danger
The Hardy Boys Undercover Brothers (1)
Evil, Inc
The Hardy Boys Casefiles (2)
Endangered Species
The Hardy Boys Casefiles (64)
The End Of The Trail
The Hardy Boys Mystery Stories (162)
The Emperor's Shield
The Hardy Boys Casefiles (119)
Edge of Destruction
The Hardy Boys Casefiles (4)
Dungeons & Detectives
The Hardy Boys Adventures (19)
Dungeon of Doom
The Hardy Boys Mystery Stories (99)
Double Trouble
The Hardy Boys Undercover Brothers (25)
Double Exposure
The Hardy Boys Casefiles (22)
Disaster for Hire
The Hardy Boys Casefiles (23)
The Disappearing Floor
The Hardy Boys Mystery Stories (19)
The Disappearing Dog
The Hardy Boys Secret Files (7)
The Disappearance
The Hardy Boys Adventures (18)
Diplomatic Deceit
The Hardy Boys Casefiles (38)
The Desert Thieves
The Hardy Boys Mystery Stories (141)
Deprivation House
The Hardy Boys Undercover Brothers (22)
The Demon's Den
The Hardy Boys Mystery Stories (81)
The Demolition Mission
The Hardy Boys Mystery Stories (112)
Deep Trouble
The Hardy Boys Casefiles (54)
Deception on the Set
The Hardy Boys Adventures (8)
Deathgame
The Hardy Boys Casefiles (6)
Death and Diamonds
The Hardy Boys Undercover Brothers (15)
Deadliest Dare
The Hardy Boys Casefiles (30)
The Dead Season
The Hardy Boys Casefiles (35)
Dead on Target
The Hardy Boys Casefiles (1)
Dead Man in Deadwood
The Hardy Boys Casefiles (87)
Day of the Dinosaur
The Hardy Boys Mystery Stories (128)
Darkness Falls
The Hardy Boys Casefiles (89)
Daredevils
The Hardy Boys Mystery Stories (159)
The Dangerous Transmission
The Hardy Boys Mystery Stories (184)
Danger Zone
The Hardy Boys Casefiles (37)
Danger Unlimited
The Hardy Boys Casefiles (79)
Danger on Vampire Trail
The Hardy Boys Mystery Stories (50)
Danger on the Diamond
The Hardy Boys Mystery Stories (90)
Danger On The Air
The Hardy Boys Mystery Stories (95)
Danger in the Fourth Dimension
The Hardy Boys Mystery Stories (118)
Danger In The Extreme
The Hardy Boys Mystery Stories (152)
The Curse of the Ancient Emerald
The Hardy Boys Adventures (9)
Cult of Crime
The Hardy Boys Casefiles (100)
Crusade of the Flaming Sword
The Hardy Boys Mystery Stories (131)
The Crowning Terror
The Hardy Boys Casefiles (5)
Cross-Country Crime
The Hardy Boys Mystery Stories (134)
The Crisscross Shadow
The Hardy Boys Mystery Stories (32)
The Crisscross Crime
The Hardy Boys Mystery Stories (150)
The Crimson Flame
The Hardy Boys Mystery Stories (77)
Crime in the Kennel
The Hardy Boys Mystery Stories (133)
Crime In The Cards
The Hardy Boys Mystery Stories (165)
Countdown to Terror
The Hardy Boys Casefiles (28)
A Con Artist in Paris
The Hardy Boys Adventures (15)
Competitive Edge
The Hardy Boys Casefiles (111)
Comic Con Artist
The Hardy Boys Undercover Brothers (21)
Cold Sweat
The Hardy Boys Casefiles (63)
The Cold Cash Caper
The Hardy Boys Mystery Stories (136)