Eldest
Christopher Paolini
The Inheritance Cycle (2)
9 from the Nine Worlds
Rick Riordan
Magnus Chase and the Gods of Asgard (5)
Hero's Guide to Deadly Dragons
Cressida Cowell
How to Train Your Dragon (6)
The Demigod Diaries
The Heroes of Olympus (0)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Last Olympian
Percy Jackson and the Olympians (5)