The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Sea of Monsters
Percy Jackson and the Olympians (2)
The Red Pyramid
The Kane Chronicles (1)
Percy Jackson and the Last Olympian
Percy Jackson and the Olympians (5)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Heroes of Olympus
The Heroes of Olympus (1)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)