The Sting of the Scorpion

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)

Rudy and the Owl

Mr Penguin and the Fortress of Secrets

A Girl Called Owl

The Hardy Boys

While on a camping trip in the Catskill Mountains, Frank and Joe Hardy get entangled in a series of strange occurrences. When they stumble upon a red-fringed Indian feather and a coded message, the mystery begins to unravel. As they dig deeper, they encounter a missing man, a haunted house, and a screeching owl that may provide the key to solving the puzzle.

Discover Your Child's Next Read

The Sting of the Scorpion

Franklin W. Dixon, 1978

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

Rudy and the Owl

Dolores Frazer, Jim Lagasse, 2023

Mr Penguin and the Fortress of Secrets

Alex T. Smith, 2018

A Girl Called Owl

Amy Wilson, 2017