The Field Guide
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (1)
The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.5)
The Seeing Stone
The Spiderwick Chronicles (2)
Icefire
Chris D'Lacey
The Son of Neptune
The Heroes of Olympus (2)
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Magnus Chase and the Gods of Asgard (4)