The Sword of Summer
Rick Riordan
Magnus Chase and the Gods of Asgard (1)
Everblaze
Shannon Messenger
Keeper of the Lost Cities (3)
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
How to Break a Dragon's Heart
How to Train Your Dragon (8)
The Demigod Diaries
The Heroes of Olympus (0)