The Blood of Olympus
Rick Riordan
The Heroes of Olympus (5)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
The Silmarillion
J.R.R. Tolkien
The Titan's Curse
Percy Jackson and the Olympians (3)
The Red Pyramid
The Kane Chronicles (1)
How to Speak Dragonese
How to Train Your Dragon (3)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)