Tommy Greenwald is the bestselling author of the acclaimed Game Changer series, including Game Changer , Rivals , Dinged, and The Right Call. Game Changer was selected as an Amazon Best Book of the Month, a YALSA Top Ten Pick, a Junior Library Guild Gold Standard Selection, and has appeared on multiple state reading lists. Rivals was also an Amazon Best Book of the Month, a Junior Library Guild Selection, and a YALSA Quick Pick for Reluctant Young Adult Readers. Known for his innovative storytelling and fast-paced, accessible narratives, Greenwald writes books that explore sports, friendship, identity, resilience, and the challenges facing young people today. He is also the author of the popular Charlie Joe Jackson and Crimebiters! series, among many other books for children and young adults. In addition to his writing, Tommy is the cofounder of SpotCo, a New York City theatrical and entertainment advertising agency. He is also the lyricist and co-book writer, with Andrew Lippa, of the Off-Broadway musical John & Jen , which has been performed throughout the United States and internationally.