Malorie Blackman spins a hilarious tale of shape-shifting and babysitting antics.

Malorie Blackman is one of the UK's leading children's authors, and offers a unique insight into multicultural Britain. She is a prolific writer, having produced over 50 books for children since 1990. One of these, 'Pig-Heart Boy', was nominated for the prestigious Carnegie Medal and adapted into a BAFTA award-winning television series. Another of her novels, 'Noughts and Crosses', was voted as one of the nation's 100 favourite books in the BBC Big Read survey.