The Hammer of Thor
Rick Riordan
Magnus Chase and the Gods of Asgard (2)
Dark Fire
Chris D'Lacey
Stellarlune
Shannon Messenger
Keeper of the Lost Cities (9)
Camp Half-Blood Confidential: Your Real Guide to the Demigod ...
The Chalice of the Gods
Percy Jackson and the Olympians (6)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)