Camp Jupiter Classified
Rick Riordan
The Trials of Apollo (4.5)
The Blood of Olympus
The Heroes of Olympus (5)
The Children of Húrin with illustrations by Alan Lee
J. R. R. Tolkien & Christopher Tolkien & Alan Lee
The Hidden Oracle
The Trials of Apollo (1)
The Demigod Files
Percy Jackson and the Olympians (4.5)
The Last Olympian
Percy Jackson and the Olympians (5)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Sea of Monsters
Percy Jackson and the Olympians (2)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Chalice of the Gods
Percy Jackson and the Olympians (6)
Wrath of the Triple Goddess
Percy Jackson and the Olympians (7)