The Apemans Secret

The Hardy Boys Secret Files Collection Books 1-5

The Twin Dilemma

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)

Legend of the Star Runner: A Timmi Tobbson Adventure

The Mystery of the Shrinking House

The Secret of Spiggy Holes

The Hardy Boys

Brothers Frank and Joe Hardy investigate strange occurrences in their hometown of Bayport and find a clue that might link squabbles at school, a terrifying run-in with a professional skateboarder, and a paranormal internet challenge.

Discover Your Child's Next Read

The Apemans Secret

Franklin W. Dixon, 1980

The Hardy Boys Secret Files Collection Books 1-5

Franklin W. Dixon, Scott Burroughs, 2014

The Twin Dilemma

Franklin W. Dixon, Carolyn Keene, 1993

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

Legend of the Star Runner: A Timmi Tobbson Adventure

J Wagner, 2018

The Mystery of the Shrinking House

Jack Hearne, Alfred Hitchcock, William Arden, 1972

The Secret of Spiggy Holes

Enid Blyton, 1940