The Apemans Secret

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 Coughing Dragon

The Mystery of the Brass Bound Trunk

The Black Island - Classic Colour Edition

Mr Penguin and the Lost Treasure

The Hardy Boys

When a giant green creature appears in the Arizona desert, the Hardy Boys find themselves embroiled in one of their most intriguing and dangerous cases. The brothers' investigation takes them from the desert to a large man-made mountain full of tunnels and secret entrances, and finally to a shocking discovery about the 'desert giant'.

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

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 Coughing Dragon

Nick West, Robert Arthur, 1970

The Mystery of the Brass Bound Trunk

Carolyn Keene, 1940

The Black Island - Classic Colour Edition

Hergé, 1943

Mr Penguin and the Lost Treasure

Alex T. Smith, Alice Delarbre, 2017