[1] Hartinger's other books, all for young adults, include Grand & Humble (2006); Project Sweet Life (2008); and Three Truths and a Lie (Simon & Schuster, 2016).
[2] A feature film version of Hartinger's first novel, Geography Club, was released in November 2013, co-starring Scott Bakula.
Also a screenwriter, various Hartinger's screenplays have been optioned for film, or are in various stages of production, Project Pay Day, a teen caper movie based on his own novel was released in 2021.
[4] Hartinger has taught creative writing at Vermont College of Fine Arts, and is the co-founder of the entertainment website AfterElton.com, which was sold to MTV/Viacom in 2006.
Their "digital nomad" journey, which has been featured on CBS Sunday Morning and in Forbes, is documented on their website Brent and Michael Are Going Places.