- "The House of the Scorpion" (2002)
- "Outcasts of Time" (2002)
- "Spider Boy" (2004)
- "Angel Fire East" (2007)
- "Touch Blue" (2012)
- "The Broken Sky" (2012)
- "Dauntless" (2013)
- "Stargazer" (2013)
- "Dreamfall" (2014)
- "Ghost Hawk" (2015)
- "Braving the Storm" (2017)
- "The Shadow Prince" (2019)
- "The Drowned City" (2021)
Non-fiction:
- "A Girl Named Digit" (2005)
- "Looking Back: A Journey Through Time Travel" (2008)
- "The Powerpuff Girls: Saving the Worlds (Again)" (2017)
- "Who Was Frida Kahlo?" (2018)
- "Who Was Lucille Ball?" (2019)
- "1, 2, 3 ABC (All Belong to Me!)" (2023)