The Lightning Thief
Rick Riordan
Percy Jackson and the Olympians (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Last Olympian
Percy Jackson and the Olympians (5)
The Demigod Files
Percy Jackson and the Olympians (6)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The House of Hades
The Heroes of Olympus (4)
The Lost Hero
The Heroes of Olympus (1)
The Son of Neptune
The Heroes of Olympus (2)
The Mark of Athena
The Heroes of Olympus (3)
The Blood of Olympus
The Heroes of Olympus (5)