Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Mark of Athena
Rick Riordan
The Heroes of Olympus (4)
The Red Pyramid
The Kane Chronicles (1)
The Field Guide
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (1)
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Magnus Chase and the Gods of Asgard (4)
The Son of Neptune
The Heroes of Olympus (2)