Fourteen-year-old star freshman quarterback Caleb Springer watches his father deteriorate from injuries he suffered playing the very same sport, forcing Caleb to consider whether playing football, the sport of his dreams, is worth risking irreparable physical harm.

Tommy Greenwald is the author of Game Changer, Rivals, and Dinged. Game Changer is on 18 state lists, was a YALSA Top Ten pick and a Junior Library Guild Premier selection. Rivals was also a Junior Library Guild selection and a YALSA Quick Pick for Reluctant Young Adult Readers. Greenwald is also the author of the Crimebiters! and Charlie Joe Jackson series, among many other books for children. Day jobwise, Tommy 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.