The Lightning Thief
Rick Riordan
Percy Jackson & the Olympians (1)
The Maze of Bones
39 Clues (1)
The Demigod Files
Percy Jackson & the Olympians (0.5)
The Battle of the Labyrinth
Percy Jackson & the Olympians (4)
The Lost Hero
Heroes of Olympus (1)
The Sea of Monsters
Percy Jackson & the Olympians (2)
The Titan's Curse
Percy Jackson & the Olympians (3)
The Last Olympian
Percy Jackson & the Olympians (5)
Vespers Rising
39 Clues (11)
The Son of Neptune
Heroes of Olympus (2)
The Serpent's Shadow
Kane Chronicles (3)
The Mark of Athena
Heroes of Olympus (3)
The Son of Sobek
Camp Half-Blood/Kane Chronicles (1)
The Complete Kane Chronicles
Kane Chronicles (0)
The House of Hades
Heroes of Olympus (4)
The Staff of Serapis
Camp Half-Blood/Kane Chronicles (2)
The Heroes of Olympus
Heroes of Olympus (5)
The Crown of Ptolemy
Camp Half-Blood/Kane Chronicles (3)
The Sword of Summer
Magnus Chase and the Gods of Asgard (1)
The Hidden Oracle
Trials of Apollo (1)
The Hammer of Thor
Magnus Chase and the Gods of Asgard (2)
The Dark Prophecy
Trials of Apollo (2)
The Ship of the Dead
Magnus Chase and the Gods of Asgard (3)