The Secret Panel

The Hardy Boys Secret Files Collection Books 1-5

The Twin Dilemma

The Gross Ghost Mystery (Frank and Joe Hardy: The Clues Brothers #1)

Danger Overseas (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #2)

The Mystery of the Dead Mans Riddle

The Mystery of the Singing Ghost

The Canary Caper (A to Z Mysteries)

The Hardy Boys

Joe and Frank Hardy, the teen detective brothers, are pulled into an intriguing mystery when their father, Fenton Hardy, is given a strange map by a dying man. This map leads them into a series of adventures involving a lost treasure, hazardous terrains, and dangerous criminals.

Discover Your Child's Next Read

The Secret Panel

Franklin W. Dixon, 1946

The Hardy Boys Secret Files Collection Books 1-5

Franklin W. Dixon, Scott Burroughs, 2014

The Twin Dilemma

Franklin W. Dixon, Carolyn Keene, 1993

The Gross Ghost Mystery (Frank and Joe Hardy: The Clues Brothers #1)

Franklin W. Dixon, 1997

Danger Overseas (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #2)

Franklin W. Dixon, Carolyn Keene, 2008

The Mystery of the Dead Mans Riddle

Robert Arthur, William Arden, 1974

The Mystery of the Singing Ghost

Gertrude Chandler Warner, Gertrude Warner, 1992

The Canary Caper (A to Z Mysteries)

Roy Ron, 1998