Camp Jupiter Classified
Rick Riordan
The Trials of Apollo (4.5)
The Chalice of the Gods
Percy Jackson and the Olympians (6)
The House of Hades
The Heroes of Olympus (1)
The Staff of Serapis
Demigods and Magicians (1)
The Tower of Nero
The Trials of Apollo (5)
The Hidden Oracle
The Trials of Apollo (1)
The Dark Prophecy
The Trials of Apollo (2)
The Burning Maze
The Trials of Apollo (3)
The Tyrant's Tomb
The Trials of Apollo (4)