Percy Jackson and the Lightning Thief (Book 1)

Percy Jackson and the Sea of Monsters (Book 2)

Percy Jackson and the Last Olympian (Book 5)

Percy Jackson and the Titan's Curse (Book 3)

The Blood of Olympus (Heroes of Olympus Book 5)

The House of Hades (Heroes of Olympus Book 4)

The Mark of Athena (Heroes of Olympus Book 3)

The Son of Neptune (Heroes of Olympus Book 2)

Percy Jackson and the Battle of the Labyrinth (Book 4)

The Lost Hero (Heroes of Olympus Book 1)

The Heroes of Olympus, Book Three: The Mark of Athena