Lizzie Zipmouth by Jacqueline Wilson

Lizzie refuses to speak. She doesnt want to talk to Rory or Jake her new stepbrothers. Shes completely fed up with having to join a new family and nothing can convince her to speak to them. Not football not pizza not a new bedroom. That is until she meets GreatGran a member of the new family who is even more stubborn than she is . . . Paperback softback