The Sinister Signpost

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)

Cigars of the Pharaoh (Tintin Young Readers)

The Mystery of the Cranky Collector

The Holmes and Watson Mysterious Events and Objects Consortium: The Case of the Witch's Talisman

The Hardy Boys

After receiving a cryptic message, The Hardy Boys find themselves embroiled in a series of crimes and misdemeanors leading to a dangerous heist. The investigative teenagers must piece together the clues to unmask the crooks and their devious plot.

Discover Your Child's Next Read

The Sinister Signpost

Franklin W. Dixon, 1936

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

Cigars of the Pharaoh (Tintin Young Readers)

Herge Au, 1955

The Mystery of the Cranky Collector

M. V. Carey, Mary Carey, 1987

The Holmes and Watson Mysterious Events and Objects Consortium: The Case of the Witch's Talisman

Elmore Hammes, 2007