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