A Figure in Hiding

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 Email Mystery

The Black Island - Classic Colour Edition

The Mystery of the Coughing Dragon

Mr Penguin and the Fortress of Secrets

The Hardy Boys

Frank and Joe Hardy embark on a thrilling underwater adventure to uncover a mystifying submarine responsible for mysterious disappearances in Barmet Bay.

Discover Your Child's Next Read

A Figure in Hiding

Franklin W. Dixon, 1937

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 Email Mystery

Carolyn Keene, 1998

The Black Island - Classic Colour Edition

Hergé, 1943

The Mystery of the Coughing Dragon

Nick West, Robert Arthur, 1970

Mr Penguin and the Fortress of Secrets

Alex T. Smith, 2018