The Blacktongue Thief
Christopher Buehlman
Blacktongue (1)
Norse Mythology
Neil Gaiman
The Last Olympian
Rick Riordan
Percy Jackson and the Olympians (5)
Demon: Archive of the God Eater book 1 (The God Eater Saga)
Rob J. Hayes
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
Percy Jackson's Companion Books (3)