The ShortWave Mystery

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 Queens Jewels

The Mystery of the Singing Serpent

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

Good Work Secret Seven

The Hardy Boys

When a world-renowned scientist vanishes along with his high-tech invention, Frank and Joe Hardy are determined to track him down. Their pursuit leads to a freighter adrift in the Atlantic Ocean that carries a mysterious cargo.

Discover Your Child's Next Read

The ShortWave Mystery

Franklin W. Dixon, 1945

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 Queens Jewels

Gertrude Warner, Gertrude Chandler Warner, 1998

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

Good Work Secret Seven

Enid Blyton, 1954