Perfect Getaway
Franklin W. Dixon
Hardy Boys Casefiles (12)
The Phantom Freighter
Hardy Boys Original (26)
Running on Empty
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Scene of the Crime
Hardy Boys Casefiles (24)
The Secret Agent on Flight 101
Hardy Boys Original (46)
The Secret of Pirates' Hill
Hardy Boys Original (36)
The Secret of Skull Mountain
Hardy Boys Original (27)
The Secret of the Caves
Hardy Boys Original (7)
Secret of the Lost Tunnel
Hardy Boys Original (29)
The Secret of Wildcat Swamp
Hardy Boys Original (31)
Secret Panel
Hardy Boys Original (25)
The Secret Warning
Hardy Boys Original (17)
See No Evil
Hardy Boys Casefiles (8)
The Shore Road Mystery
Hardy Boys Original (6)
Short-Wave Mystery
Hardy Boys Original (24)
The Sign of the Crooked Arrow
Hardy Boys Original (28)
Sinister Signpost
Hardy Boys Original (15)
Sting of the Scorpion
Hardy Boys Original (58)
Strategic Moves
Hardy Boys Casefiles (43)
Street Spies
Hardy Boys Casefiles (21)
Survival Run
Hardy Boys Casefiles (77)
Tagged for Terror
Hardy Boys Casefiles (76)
Thick as Thieves
Hardy Boys Casefiles (29)
Three-Ring Terror
Hardy Boys Original (111)
Too Many Traitors
Hardy Boys Casefiles (14)
Tower Treasure
Hardy Boys Original (1)
Trouble in the Pipeline
Hardy Boys Casefiles (26)
Twisted Claw
Hardy Boys Original (18)
The Viking Symbol Mystery
Hardy Boys Original (42)
The Wailing Siren Mystery
Hardy Boys Original (30)
What Happened at Midnight
Hardy Boys Original (10)
While the Clock Ticked
Hardy Boys Original (11)
Without a Trace
Hardy Boys Casefiles (31)
Witness to Murder
Hardy Boys Casefiles (20)
Yellow Feather Mystery
Hardy Boys Original (33)