Tommy Greenwald's Game Changer has been named an Amazon Best Book of the Month and a Junior Library Guild Premier selection. He is also the author of the Crimebiters! and Charlie Joe Jackson series, among many other books for children. Day job-wise, Greenwald is the cofounder of Spotco Advertising, a theatrical and entertainment advertising agency in New York City, and the lyricist and co-bookwriter (with Andrew Lippa) of John & Jen, an off-Broadway musical that has been produced around the country and internationally. To read woefully outdated information about him, visit tommygreenwald.com.