* The Secret Life of Houdini: The Making of America’s First Superhero (2007)
* The First Tycoon: The Epic Life of Cornelius Vanderbilt (2009)
* Ben Franklin’s Almanac: Being a True Account of the Good Gentleman’s Life (2010)
* Gone Pogo: The Life and Times of Walt Kelly—Creator of Pogo (2015)
* The Man Behind the Mic: The Life and Career of radio legend Paul Harvey (2020)
* The Lost Art of the Great Expedition: From the Time of the Pharaohs to the Present (2022)
Fiction:
* The Rithmatist (2013)
* Spirit Animals: Wild Born (2014) (co-authored with Tui T. Sutherland)
* Spirit Animals: Hunted (2015) (co-authored with Tui T. Sutherland, Nick Eliopulos and Kate Cary)
* Spirit Animals: Rise of the Resistance (2015) (co-authored with Tui T. Sutherland, Nick Eliopulos and Kate Cary)
* Spirit Animals: Broken Pride (2016) (co-authored with Tui T. Sutherland, Nick Eliopulos and Kate Cary)
* Spirit Animals: Call of the Wild (2017) (co-authored with Tui T. Sutherland, Nick Eliopulos and Kate Cary)
* The Apocalypse Codex (2019)
* Star Wars: The Legends of Luke Skywalker (2022)