The Lost Hero (Heroes of Olympus, Book 1)
The Mark of Athena (Heroes of Olympus, Book 3)
The House of Hades (Heroes of Olympus, Book 4)
The Blood of Olympus (The Heroes of Olympus (5))
The Last Olympian (Percy Jackson and the Olympians, Book 5)
The Red Pyramid (The Kane Chronicles, Book 1)
The Battle of the Labyrinth (Percy Jackson and the Olympians, Book 4)
The Throne of Fire (The Kane Chronicles, Book 2)
The Titan's Curse (Percy Jackson and the Olympians, Book 3)