The Clue in the Embers

Running on Empty (Hardy Boys Casefiles #36)

The Twin Dilemma

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

The Mystery of the Shrinking House

The Last Dogs: The Vanishing (The Last Dogs, 1)

Secret Seven Mystery

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

The Hardy Boys

The Hardy Boys find themselves on an adventure when they attempt to unravel the mystery behind a Native American relic. They must solve the enigmatic clues that lead them through danger and the discovery of a secret cave.

Discover Your Child's Next Read

The Clue in the Embers

Franklin W. Dixon, 1955

Running on Empty (Hardy Boys Casefiles #36)

Franklin W. Dixon, 1993

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 Mystery of the Shrinking House

Jack Hearne, Alfred Hitchcock, William Arden, 1972

The Last Dogs: The Vanishing (The Last Dogs, 1)

Christopher Holt, Greg Call, 2012

Secret Seven Mystery

Enid Blyton, 2011

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

Enid Blyton, 2013