Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
The Crown of Ptolemy
Demigods and Magicians (3)
The House of Hades
The Heroes of Olympus (1)
The Blood of Olympus
The Heroes of Olympus (5)