Humbug Holiday: (A Christmas Carol)

The Copernicus Legacy: The Crown of Fire

Percy Jackson and the Sea of Monsters (Book 2)

The Forbidden Stone (The Copernicus Legacy, Book 1)

Percy Jackson and the Lightning Thief (Book 1)

The Copernicus Legacy: The Golden Vendetta

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

The Copernicus Archives #2: Becca and the Prisoner's Cross

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

The Serpent’s Curse (The Copernicus Legacy, Book 2)

The Mark of Athena (Heroes of Olympus Book 3)

The Burning Bridge (Ranger's Apprentice Book 2)

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

The Blood of Olympus (Heroes of Olympus Book 5)