The Battle of the Labyrinth
Rick Riordan
Percy Jackson and the Olympians (4)
Deathless: Annals of the God Eater book 1 (The God Eater Saga)
Rob J. Hayes
If You Could See the Sun
Ann Liang
The Blacktongue Thief
Christopher Buehlman
Blacktongue (1)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
Percy Jackson's Companion Books (3)