The Sinister Signpost

The Hardy Boys Secret Files Collection Books 1-5

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

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

The Double Jinx Mystery

Hailey Haddie's Minute Mysteries: 15 Short Stories For Young Sleuths

The Absent Author (A to Z Mysteries)

Nancy Drew: #5,43

The Hardy Boys

The Hardy Boys, Frank and Joe, are dealing with a troubling mystery involving a series of car thefts that always take place along Shore Road. As investigation and clues lead them closer to the truth, the boys face dramatic turns and life-threatening situations.

Discover Your Child's Next Read

The Sinister Signpost

Franklin W. Dixon, 1936

The Hardy Boys Secret Files Collection Books 1-5

Franklin W. Dixon, Scott Burroughs, 2014

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

Franklin W. Dixon, Carolyn Keene, 2008

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

Franklin W. Dixon, 1997

The Double Jinx Mystery

Carolyn Keene, 1973

Hailey Haddie's Minute Mysteries: 15 Short Stories For Young Sleuths

Marina Bowman, 2022

The Absent Author (A to Z Mysteries)

John Steven Gurney, Roy Ron, 1997

Nancy Drew: #5,43

Carolyn Keene, 1994