The Short-Wave Mystery
Franklin W. Dixon
The Hardy Boys (24)
Footprints Under the Window
The Hardy Boys (12)
The Sinister Signpost
The Hardy Boys (15)
The Mark on the Door
The Hardy Boys (16)
The Secret Warning
The Hardy Boys (17)
The Melted Coins
The Hardy Boys (23)
The Secret Panel
The Hardy Boys (25)
The Secret of Skull Mountain
The Hardy Boys (27)
The Twisted Claw
The Hardy Boys (18)
The Disappearing Floor
The Hardy Boys (19)
Mystery of the Flying Express
The Hardy Boys (20)
The Clue of the Broken Blade
The Hardy Boys (21)
The Secret of Wildcat Swamp
The Hardy Boys (31)
The Crisscross Shadow
The Hardy Boys (32)
The Yellow Feather Mystery
The Hardy Boys (33)
The Flickering Torch Mystery
The Hardy Boys (22)
The Phantom Freighter
The Hardy Boys (26)
The Sign of the Crooked Arrow
The Hardy Boys (28)
The Wailing Siren Mystery
The Hardy Boys (30)
The Hooded Hawk Mystery
The Hardy Boys (34)
The Clue in the Embers
The Hardy Boys (35)
The Secret of Pirates' Hill
The Hardy Boys (36)
The Hidden Harbor Mystery
The Hardy Boys (14)
The Secret of the Lost Tunnel
The Hardy Boys (29)
Mystery at Devil's Paw
The Hardy Boys (38)
Mystery of the Desert Giant
The Hardy Boys (40)
Clue of the Screeching Owl
The Hardy Boys (41)
The Mystery of the Aztec Warrior
The Hardy Boys (43)
The Mystery of the Spiral Bridge
The Hardy Boys (45)
While the Clock Ticked
The Hardy Boys (11)
The Ghost at Skeleton Rock
The Hardy Boys (37)
The Mystery of the Chinese Junk
The Hardy Boys (39)
The Viking Symbol Mystery
The Hardy Boys (42)
The Arctic Patrol Mystery
The Hardy Boys (48)
Infinity Clue
The Hardy Boys (70)
The Tower Treasure
The Hardy Boys (1)
The House on the Cliff
The Hardy Boys (2)
The Secret of the Old Mill
The Hardy Boys (3)
A Figure in Hiding
The Secret Agent on Flight 101
The Hardy Boys (46)
What Happened at Midnight
The Hardy Boys (10)
The Haunted Fort
The Hardy Boys (44)
Mystery of the Whale Tattoo
The Hardy Boys (47)