The Last Olympian
Rick Riordan
Percy Jackson and the Olympians (5)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
Empire of the Vampire
Jay Kristoff
Empire of the Vampire (1)
All Our Broken Idols
Paul M.M. Cooper
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
Percy Jackson's Companion Books (3)