Mystery of the Desert Giant

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)

The Monkey That Would Not Kill

Monkey Love

Monkey Business

The Hardy Boys

The Hardy Boys stumble upon a mystery involving a silver spider, a cryptic message, and a trail that leads to a gang of dangerous criminals who are also in pursuit of a priceless treasure.

Discover Your Child's Next Read

Mystery of the Desert Giant

Franklin W. Dixon, 1994

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

The Monkey That Would Not Kill

Henry Drummond, 1897

Monkey Love

Vicktoria Kraemer, 2016

Monkey Business

Virginia Vail, 1987