His debut middle-grade fiction book was Charlie Joe Jackson’s Guide to Not Reading, a humorous book about a reluctant reader.
He also wrote the lyrics for the musical John & Jen, which tells the story of a woman named Jen and two men in her life named John: her brother, who dies in the Vietnam War, and her son.
Greenwald is executive creative director of Spotco, which creates advertisements for Broadway shows.
Bibliography
Charlie Joe Jackson's Guide to Not Reading, Roaring Brook Press, 2011
Charlie Joe Jackson's Guide to Extra Credit, Roaring Brook Press, 2012
Charlie Joe Jackson's Guide to Summer Vacation, Roaring Brook Press, 2013
Jack Strong Takes a Stand, Roaring Brook Press, 2013
Charlie Joe Jackson's Guide to Making Money, Roaring Brook Press, 2014
Katie Friedman Gives Up Texting! (And Lives to Tell About It), Roaring Brook Press, 2015
Charlie Joe Jackson's Guide to Planet Girl, Roaring Book Press, 2015
Charlie Joe Jacksons guide to not reading and getting good grades. 2021