The Crown of Ptolemy
Rick Riordan
Demigods and Magicians (3)
Stellarlune
Shannon Messenger
Keeper of the Lost Cities (9)
The Titan's Curse
Percy Jackson and the Olympians (3)
Percy Jackson's Greek Heroes
The Sun and the Star
Rick Riordan & Mark Oshiro
Nico Di angelo Adventures (1)
The Tower of Nero
The Trials of Apollo (5)