Pegasus and the Fight for Olympus: Book 2

Titans: Volume 1

Percy Jackson and the Lightning Thief (Book 1)

The Fallen Queen

The Mark of Athena (Heroes of Olympus Book 3)

Escape from Atlantis

Percy Jackson and the Sea of Monsters (Book 2)

Return to Atlantis

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

Secrets of Atlantis

The Blood of Olympus (Heroes of Olympus Book 5)

Percy Jackson and the Last Olympian (Book 5)

Valkyrie: Book 1

The House of Hades (Heroes of Olympus Book 4)

The Runaway: Book 2

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

War of the Realms: Book 3

The Son of Neptune (Heroes of Olympus Book 2)

The Missing