Percy Jackson and the Olympians, Book Two: The Sea of Monsters

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

Battle of the Labyrinth, The (Percy Jackson and the Olympians, Book 4)

The Last Olympian (Percy Jackson and the Olympians, Book 5)

Lightning Thief, The (Percy Jackson and the Olympians, Book 1)

The Son of Neptune (The Heroes of Olympus Book 2)

The Lost Hero (The Heroes of Olympus, Book 1)

The Mark of Athena (The Heroes of Olympus, Book 3)

The House of Hades (The Heros of Olympus, Book 4)

The Blood of Olympus (The Heroes of Olympus, Book 5)

The Trials of Apollo, Book One: The Hidden Oracle