The Unwilling Ambassador (The Unwilling #3)

Chimes of Midnight (The Catalyst #4)

Percy Jackson and the Lightning Thief (Book 1)

Percy Jackson and the Sea of Monsters (Book 2)

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

Sanctuary (The Catalyst #2)

Beneath the Valley (The Catalyst #5)

Freed Souls (Blood Guardians #4)

Blood Guardians (Blood Guardians #1)

The Lost Hero (Heroes of Olympus Book 1)

Percy Jackson and the Olympians: Wrath of the Triple Goddess

Brother Wulf: The Last Spook