The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Staff of Serapis
Demigods and Magicians (1)
Percy Jackson's Greek Heroes
The Ship of the Dead
Magnus Chase and the Gods of Asgard (3)
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)