Ellie is the rudest, most spoilt child her grandma has ever met. So Grandma, who is a little bit magic, decides to teach her a lesson and switches Ellie's body with Jolly the cat's. As Ellie starts to make friends with the other animals in the house, the mice and the spiders, she learns how to be a good friend.
Malorie Blackman has been writing children's books for nearly twenty years. She has won many awards including the Children's Book Award for Noughts and Crosses, and The Young Telegraph Award for Thief! Pig-Heart Boy was shortlisted for the Carnegie Medal and turned into a BBC television production.