Learning how to say NO! Moving to a whole different city brings many scary changes for 7-year-old Sally. New school, new teachers, and new friends-- Sally is excited yet nervous about starting at her new school. On her first day, she meets Nelly, a girl who seems to know everything and everyone. At first, Sally is happy to have a new friend, but she quickly realizes that Nelly likes to boss her around. Nelly decides what games they play, where they sit, and who they can talk to. Sally feels unhappy and wishes she could make her own choices, and must learn to say "NO!"