How to Seize a Dragon's Jewel
Cressida Cowell
How to Train Your Dragon (10)
The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.50)
The House of Hades
The Heroes of Olympus (1)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Red Pyramid
The Kane Chronicles (1)