The Little Vampire Moves In: The Little Vampire Book 2

The Little Vampire Takes a Trip: The Little Vampire Book 3

The Little Vampire on the Farm: The Little Vampire Book 4

Percy Jackson and the Sea of Monsters (Book 2)

Percy Jackson and the Lightning Thief (Book 1)

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

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

Percy Jackson and the Olympians: The Chalice of the Gods

Percy Jackson and the Last Olympian (Book 5)

Horizon (Horizon, Book 1)

The Wizards of Once: Book 1

The Wizards of Once: Twice Magic: Book 2

The Wizards of Once: Never and Forever

The Wizards of Once: Knock Three Times: Book 3