The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.5)
The Burning Maze
The Trials of Apollo (3)
How to Twist a Dragon's Tale
Cressida Cowell
How to Train Your Dragon (5)
The Staff of Serapis
Demigods and Magicians (1)
The Tyrant's Tomb
The Trials of Apollo (4)
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Magnus Chase and the Gods of Asgard (4)
The Son of Neptune
The Heroes of Olympus (2)
Dark Fire
Chris D'Lacey
The Red Pyramid
The Kane Chronicles (1)
How to Speak Dragonese
How to Train Your Dragon (3)
Hero's Guide to Deadly Dragons
How to Train Your Dragon (6)
Icefire
The Fire Within
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)