The Haunted Fort

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)

Mystery In Rocky Mountain National Park

The Haunted Castle

Demons of the Ocean: Vampirates

The Hardy Boys

The Hardy Boys, Frank and Joe, are invited by a friend to explore a trail reportedly haunted by vampires. As they delve into the mystery, they uncover a network of thieves in a plot that's more sinister than they could ever imagine.

Discover Your Child's Next Read

The Haunted Fort

Franklin W. Dixon, R.H. Tandy, 1964

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

Mystery In Rocky Mountain National Park

Johnson Aaron, 2022

The Haunted Castle

Geronimo Stilton, 2018

Demons of the Ocean: Vampirates

Justin Somper, 2005