Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
Camp Jupiter Classified
Rick Riordan
The Trials of Apollo (4.5)
The House of Hades
The Heroes of Olympus (1)
The Hammer of Thor
Magnus Chase and the Gods of Asgard (2)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)