The Battle of the Labyrinth
Rick Riordan
Percy Jackson and the Olympians (4)
The Blood of Olympus
The Heroes of Olympus (5)
The Burning Maze
Trials of Apollo (3)
The Dark Prophecy
Trials of Apollo (2)
The Hidden Oracle
Trials of Apollo (1)
The House of Hades
The Heroes of Olympus (4)
The Last Olympian
Percy Jackson and the Olympians (5)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Lost Hero
The Heroes of Olympus (1)
The Mark of Athena
The Heroes of Olympus (3)
The Red Pyramid
Rick Riordan & Orpheus Collar
The Kane Chronicles (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)
The Serpent's Shadow
The Kane Chronicles (3)
The Son of Neptune
The Heroes of Olympus (2)
The Throne of Fire
The Kane Chronicles (2)
The Titan's Curse
Percy Jackson and the Olympians (3)