The Son of Neptune
Rick Riordan
The Heroes of Olympus (2)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Demigod Files
Percy Jackson and the Olympians (4.5)
How to Be a Pirate
How to Train Your Dragon (2)