Stargirl by Jerry Spinelli is about an extraordinary girl named Stargirl who transfers to a new high school and tries to cheer everyone up with her ukulele and birthday songs. While her happiness and kindness are her strengths, they also make her hated by her classmates. The summary explores how Stargirl's unconventional nature bothers the student body and whether she is able to stay true to herself or if she changes in response to their treatment of her. It highlights that Oprah selected it for her book club and it became a New York Times bestseller praised for its story of nonconformity.