Percy Jackson and the Lightning Thief (Book 1)
2008
The House of Hades (Heroes of Olympus Book 4)
2013
The Mark of Athena (Heroes of Olympus Book 3)
2012
Percy Jackson and the Sea of Monsters (Book 2)
2008
Percy Jackson and the Titan's Curse (Book 3)
2008
The Son of Neptune (Heroes of Olympus Book 2)
2011