Eldest
Christopher Paolini
The Inheritance Cycle (2)
The Son of Neptune
Rick Riordan
The Heroes of Olympus (2)
The Lightning Thief
Percy Jackson and the Olympians (1)
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Magnus Chase and the Gods of Asgard (4)