Rowan and the Zebak

Percy Jackson and the Lightning Thief (Book 1)

Percy Jackson and the Last Olympian (Book 5)

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

The Disappearing TV Star

The Son of Neptune (Heroes of Olympus Book 2)

Beware the Gingerbread House

The Blood of Olympus (Heroes of Olympus Book 5)

The Ghost of Raven Hill

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

The Sorcerer's Apprentice

The House of Hades (Heroes of Olympus Book 4)

Green for Danger

His Dark Materials: The Amber Spyglass (Book 3)

Rowan of Rin: Volume 1

The Mark of Athena (Heroes of Olympus Book 3)

The Key to Rondo

The Burning Bridge