How to Be a Pirate
Cressida Cowell
How to Train Your Dragon (2)
The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.5)
How to Seize a Dragon's Jewel
How to Train Your Dragon (10)
Nightfall
Shannon Messenger
Keeper of the Lost Cities (6)
The Red Pyramid
The Kane Chronicles (1)