The Demon Assassin: Book 2

Percy Jackson and the Lightning Thief (Book 1)

Raining Fire

Percy Jackson and the Sea of Monsters (Book 2)

Renegade: Book 3

Percy Jackson and the Last Olympian (Book 5)

Witch Breed: Book 4

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

The Ruins of Gorlan (Ranger's Apprentice Book 1 )

The Blood of Olympus (Heroes of Olympus Book 5)

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

The House of Hades (Heroes of Olympus Book 4)

Final Countdown: Book 8

The Mark of Athena (Heroes of Olympus Book 3)