The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Son of Neptune
The Heroes of Olympus (2)
9 from the Nine Worlds
Magnus Chase and the Gods of Asgard (5)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
How to Train Your Dragon
How to Train Your Dragon (1)
The Serpent's Shadow
The Kane Chronicles (3)