Best Friend Showdown (Ella and Olivia #2)

Meet Ella and Olivia. Big sister. Little sister. Best friends. Ella and Olivia are sisters. Ella is seven years old. Olivia is five-and-a-half years old. They live with their mum and dad and little brother Max. Ella and Zoe are best friends. They do everything together. But when they compete for the chocolate-drive prize their friendship is put to the test!