Shirley's little sister, Doris, wants to be with Shirley EVERYWHERE! This is not always a good thing...Shirley's bed isn't big enough for two growing elephants. But then one day Mummy has an idea. Could bunk beds be the solution? Laugh out loud with the adorable Shirley and Doris in this funny story that will strike a chord with all little brothers and sisters.A warm and funny book for young children aged 3 years and above.