Percy Jackson and the Lightning Thief (Book 1)

Twilight of the Elves

Percy Jackson and the Sea of Monsters (Book 2)

Night of Dangers

Percy Jackson and the Last Olympian (Book 5)

The Adventurers Guild

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

The Blood of Olympus (Heroes of Olympus Book 5)

His Dark Materials: The Amber Spyglass (Book 3)

The House of Hades (Heroes of Olympus Book 4)

The Mark of Athena (Heroes of Olympus Book 3)

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

The Wee Free Men: (Discworld Novel 30)

The Burning Bridge

The Son of Neptune (Heroes of Olympus Book 2)

Halt's Peril: Book Nine

The Icebound Land

The Siege of Macindaw: Book Six