The Clue in the Embers

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)

The Mystery of the Shrinking House

The Castle Mystery

The Case Of The Hidden Holiday Riddle (The New Adventures of Mary-Kate & Ashley #44)

The Hardy Boys

The Hardy Boys - Frank and Joe, along with their father Fenton, embark on a perilous journey to Montana where they get trapped in a besieged cabin while trying to uncover a hidden stash of gold.

Discover Your Child's Next Read

The Clue in the Embers

Franklin W. Dixon, 1955

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

The Mystery of the Shrinking House

Jack Hearne, Alfred Hitchcock, William Arden, 1972

The Castle Mystery

Gertrude Warner, Gertrude Chandler Warner, 1993

The Case Of The Hidden Holiday Riddle (The New Adventures of Mary-Kate & Ashley #44)

Jean Waricha, Mary-Kate Olsen, 2004