- *The House of Hades* (2013)
- *The Blood of Olympus* (2014)
- *The Crown of Ptolemy* (2015)
- *The Hammer of Thor* (2016)
- *The Ship of the Dead* (2017)
- *The Sword of Summer* (2018)
- *The Burning Maze* (2019)
- *The Tyrant's Tomb* (2020)
- *The Tower of Nero* (2021)
Non-fiction
- *The Complete Percy Jackson Companion* (2013)
- *The Heroes of Olympus Guidebook* (2014)
- *The Demigod Diaries* (2015)
- *Camp Half-Blood Confidential* (2016)
- *The Son of Sobek* (2017)
- *Trials of Apollo:
- The Hidden Oracle (2016)
- The Dark Prophecy (2017)
- The Burning Maze (2018)
- The Tyrant's Tomb (2019)
- The Tower of Nero (2020)
- *Sunny Days by the Nile**