Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
Wrath of the Triple Goddess
Rick Riordan
Percy Jackson and the Olympians (7)
The Son of Sobek
Demigods and Magicians (1)
Stellarlune
Keeper of the Lost Cities (9)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Crown of Ptolemy
Demigods and Magicians (3)
The Hammer of Thor
Magnus Chase and the Gods of Asgard (2)
The Hidden Oracle
The Trials of Apollo (1)
The Dark Prophecy
The Trials of Apollo (2)