Roller Girl is a graphic novel about Astrid, a "tween" struggling to navigate the waters of adolescence and middle school. When Astrid attends a roller derby bout with her mom and best friend she becomes enamoured with the sport and decides to enroll in a summer roller derby camp. She assumes her best friend, Nicole, will attend with her, because they always do everything together. Roller derby camp proves to be quite a challenge, with one hurdle after another thrown in the way of Astrid becoming the "lead jammer" of her dreams.This book gives readers a great introduction to the sport of roller derby, including the teams, game play, and terminology-- something that will be fresh and new to many readers. Astrid is in most ways a very typical preteen girl, and I vacillated between pulling for Astrid and being annoyed with her. Astrid is dealing with all the crazy feelings and issues kids at this age do-- friendships, uncertainty about self, self-esteem, etc. Readers of this age group will be able to relate and likely find solace in some of Astrid's experiences-- as well as ideas about what tends to work or not to work when dealing with friends and other situations. The graphic novel format will also be attractive to many readers.