The Tower of Nero
Rick Riordan
The Trials of Apollo (5)
Exile
Shannon Messenger
Keeper of the Lost Cities (2)
Lodestar
Keeper of the Lost Cities (5)
The Dark Prophecy
The Trials of Apollo (2)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Last Olympian
Percy Jackson and the Olympians (5)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)
The Titan's Curse
Percy Jackson and the Olympians (3)