The Battle of the Labyrinth
Rick Riordan
Percy Jackson (4)
The Blood of Olympus
Heroes of Olympus (5)
The Burning Maze
The Trials of Apollo (3)
The Crown of Ptolemy
Percy Jackson & Kane Chronicles Crossover (3)
The Dark Prophecy
The Trials of Apollo (2)
The Hidden Oracle
The Trials of Apollo (1)
The House of Hades
Heroes of Olympus (4)
The Last Olympian
Percy Jackson (5)
The Lightning Thief
Percy Jackson (1)
The Lost Hero
Heroes of Olympus (1)
The Mark of Athena
Heroes of Olympus (3)
The Red Pyramid
The Kane Chronicles (1)
The Sea of Monsters
Percy Jackson (2)
The Serpent's Shadow
The Kane Chronicles (3)
The Son of Neptune
Heroes of Olympus (2)
The Son of Sobek
Percy Jackson & Kane Chronicles Crossover (1)
The Staff of Serapis
Percy Jackson & Kane Chronicles Crossover (2)
The Throne of Fire
The Kane Chronicles (2)
The Titan's Curse
Percy Jackson (3)
The Tower of Nero
The Trials of Apollo (5)
The Tyrant's Tomb
The Trials of Apollo (4)