The Secret of Skull Mountain

The Twin Dilemma

Running on Empty (Hardy Boys Casefiles #36)

Danger Overseas (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #2)

The Mystery of the Shrinking House

A Map of Days: Miss Peregrine's Peculiar Children

Good Work Secret Seven

The Secret Lake

The Hardy Boys

In this exciting adventure, two young brothers, Frank and Joe Hardy, embark on a dangerous journey to unravel the mystery behind their father's disappearance. They find themselves trapped at sea on a perilous journey encountering hidden treasure, shady villains, and dangerous weather conditions.

Discover Your Child's Next Read

The Secret of Skull Mountain

Franklin W. Dixon, 1948

The Twin Dilemma

Franklin W. Dixon, Carolyn Keene, 1993

Running on Empty (Hardy Boys Casefiles #36)

Franklin W. Dixon, 1993

Danger Overseas (Nancy Drew: Girl Detective and Hardy Boys: Undercover Brothers Super Mystery #2)

Franklin W. Dixon, Carolyn Keene, 2008

The Mystery of the Shrinking House

Jack Hearne, Alfred Hitchcock, William Arden, 1972

A Map of Days: Miss Peregrine's Peculiar Children

Ransom Riggs, 2018

Good Work Secret Seven

Enid Blyton, 1954

The Secret Lake

Karen Inglis, 2011