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)

The Mystery of the Kidnapped Whale

The Hockey Mystery

House Arrest (Mystery Files of Shelby Woo, No.6)

The Hardy Boys

In this installment of the Hardy Boys Adventures, Frank and Joe head to a golf tournament, but a peaceful round of golf quickly turns into a more dangerous game filled with kidnapping and sabotage.

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

The Mystery of the Kidnapped Whale

Marc Brandel, Robert Arthur, 1983

The Hockey Mystery

Gertrude Chandler Warner, 2000

House Arrest (Mystery Files of Shelby Woo, No.6)

Lydia C. Marano, 1998