Percy Jackson's Greek Heroes
Rick Riordan
Camp Jupiter Classified
The Trials of Apollo (4.50)
The Blood of Olympus
The Heroes of Olympus (5)
How to Seize a Dragon's Jewel
Cressida Cowell
How to Train Your Dragon (10)
The Serpent's Shadow
The Kane Chronicles (3)
How to Train Your Dragon
How to Train Your Dragon (1)