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 Scarlet Slipper Mystery

The Hockey Mystery

The Mystery of the Singing Serpent

Mysteries Collection 3 in 1 Vol 3 (The Mysteries Series)

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

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 Scarlet Slipper Mystery

Carolyn Keene, 1954

The Hockey Mystery

Gertrude Chandler Warner, 2000

The Mystery of the Singing Serpent

Ed Vebell, M. V. Carey, Mary Carey, 1972

Mysteries Collection 3 in 1 Vol 3 (The Mysteries Series)

Enid Blyton, 2013