The Battle of the Labyrinth: Percy Jackson and the Olympians, ...
Rick Riordan & Jesse Bernstein & Listening Library
Percy Jackson and the Olympians (4)
The Last Olympian: Percy Jackson and the Olympians, Book 5
Percy Jackson and the Olympians (5)
The Lightning Thief: Percy Jackson and the Olympians, Book 1
Percy Jackson and the Olympians (1)
The Sea of Monsters: Percy Jackson and the Olympians, Book 2
Percy Jackson and the Olympians (2)
The Titan's Curse: Percy Jackson and the Olympians, Book 3
Percy Jackson and the Olympians (3)