The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.5)
How to Speak Dragonese
Cressida Cowell
How to Train Your Dragon (3)
9 from the Nine Worlds
Magnus Chase and the Gods of Asgard (5)
The Last Olympian
Percy Jackson and the Olympians (5)
How to Ride a Dragon's Storm
How to Train Your Dragon (7)