The Sword of Summer
Rick Riordan
Magnus Chase and the Gods of Asgard (1)
The Mark of Athena
The Heroes of Olympus (4)
Exile
Shannon Messenger
Keeper of the Lost Cities (2)
The Dark Prophecy
The Trials of Apollo (2)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)