The Lost Hero
Rick Riordan
The Heroes of Olympus (1)
The Sword of Summer
Magnus Chase and the Gods of Asgard (1)
The Red Pyramid
The Kane Chronicles (1)
The Demigod Files
Percy Jackson and the Olympians (4.5)
How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)