The Throne of Fire
Rick Riordan
The Kane Chronicles (2)
The Staff of Serapis
Demigods and Magicians (1)
The Letters of J. R. R.Tolkien
J. R. R. Tolkien & Christopher Tolkien & Humphrey Carpenter
The Wyrm King
Tony DiTerlizzi & Holly Black
The Tower of Nero
The Trials of Apollo (5)
Camp Jupiter Classified
The Trials of Apollo (4.5)
The Tyrant's Tomb
The Trials of Apollo (4)
The Burning Maze
The Trials of Apollo (3)
The Dark Prophecy
The Trials of Apollo (2)
The Hidden Oracle
The Trials of Apollo (1)