9 from the Nine Worlds
Rick Riordan
Magnus Chase and the Gods of Asgard (5)
The Sea of Monsters
Percy Jackson and the Olympians (2)
Exile
Shannon Messenger
Keeper of the Lost Cities (2)
The Field Guide
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (1)
The Hidden Oracle
The Trials of Apollo (1)
The Dark Prophecy
The Trials of Apollo (2)
The Burning Maze
The Trials of Apollo (3)
The Tyrant's Tomb
The Trials of Apollo (4)
Camp Jupiter Classified
The Trials of Apollo (4.50)
The Tower of Nero
The Trials of Apollo (5)