The Throne of Fire
Rick Riordan
The Kane Chronicles (2)
Lightning Bug
Donald Harington
The Hidden Oracle
The Trials of Apollo (1)
The Tainted Cup
Robert Jackson Bennett
Shadow of the Leviathan (1)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
Percy Jackson's Companion Books (3)
The Burning Maze: The Trials of Apollo [Book 3]
The Trials of Apollo (3)