Dark Fire
Chris D'Lacey
Wrath of the Triple Goddess
Rick Riordan
Percy Jackson and the Olympians (7)
Percy Jackson's Greek Heroes
The Titan's Curse
Percy Jackson and the Olympians (3)
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 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)