Jessica Strange doesn’t look like her brothers and sisters. In fact, she’s starting to suspect that she is not a mouse at all! So she goes on a tour of the farmyard to see if any of the other animals can help to solve the mystery. Madam Butterfly thinks she must be a cow as she has four legs, but Mrs Cow thinks she is an ant as she is so small. Will she ever find out what she really is? A touching picture-book tale of identity and discovery from award-winning author Malorie Blackman.