Fiktion
* _Hilo:Bog 1:The Boy Who Crashed to Earth_ (2013)
* _Hilo:Bog 2:Saving the Whole Wide World_ (2014)
* _Hilo:Bog 3:The Great Big Boom_ (2015)
* _Hilo:Bog 4:All the Pieces Fit_ (2016)
* _Hilo:Bog 5:No More Good Guys_ (2017)
* _Hilo:Bog 6:The Bad Guy Club_ (2018)
* _Hilo:Bog 7:Den gode kamp_ (2019)
* _Hilo:Bog 8:The Art of the Steal_ (2020)
* _The Legend of Brightblade:Bog 1_ (2021)
* _The Legend of Brightblade:Bog 2_ (2022)
Faglitteratur
* _The Big Book of Little Heroes:100 Inspiring Stories of Good Kids, Great Causes, and How to Make a Difference_ (2016, medforfatter af Erin McHugh)
* _Heroes Wear Masks:50 Inspiring Stories of Everyday Heroes Under the Pandemic_ (2021, medforfatter med Erin McHugh)