The Colonels
W. E. B. Griffin
Brotherhood of War (4)
Three-Ring Terror
Franklin W. Dixon
The Hardy Boys Mystery Stories (111)
The Battle of the Labyrinth
Rick Riordan
Percy Jackson and the Olympians (4)
Nancy Drew 29: Mystery at the Ski Jump
Carolyn Keene
Nancy Drew Mystery Stories (29)
The Dangerous Book for Boys
Conn Iggulden & Hal Iggulden