Mystery of the Desert Giant

The Twin Dilemma

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 Mystery of the Shrinking House

Mr Penguin and the Lost Treasure

A Dog Called Grk

The Hardy Boys

This book follows the adventures of Frank and Joe Hardy, as they solve a dangerous mystery involving secret codes and a notorious gang, while on a sailing trip to the Caribbean.

Discover Your Child's Next Read

Mystery of the Desert Giant

Franklin W. Dixon, 1994

The Twin Dilemma

Franklin W. Dixon, Carolyn Keene, 1993

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 Mystery of the Shrinking House

Jack Hearne, Alfred Hitchcock, William Arden, 1972

Mr Penguin and the Lost Treasure

Alex T. Smith, Alice Delarbre, 2017

A Dog Called Grk

Joshua Doder, 2005