Flashback
Shannon Messenger
Keeper of the Lost Cities (7)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
The Son of Sobek
Rick Riordan
Demigods and Magicians (1)
9 from the Nine Worlds
Magnus Chase and the Gods of Asgard (5)
The Burning Maze
The Trials of Apollo (3)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco