The Mystery of the Flying Express

The Hardy Boys Secret Files Collection Books 1-5

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 Secret of the Golden Pavilion

Mikes Mystery

The Mystery of the Coughing Dragon

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 Mystery of the Flying Express

Franklin W. Dixon, 1941

The Hardy Boys Secret Files Collection Books 1-5

Franklin W. Dixon, Scott Burroughs, 2014

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 Secret of the Golden Pavilion

Carolyn Keene, 1959

Mikes Mystery

Shane Clester, Gertrude Chandler Warner, 2020

The Mystery of the Coughing Dragon

Nick West, Robert Arthur, 1970

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

Jean Waricha, Mary-Kate Olsen, 2004