Vivian French is a professional storyteller who worked for over ten years in children's theatre as a writer and performer. She is an acclaimed children's author who has written many books for children, both fiction and non-fiction and over forty picture books for Walker. She has written Yucky Worms, Growing Frogs and T. Rex in the Nature Storybooks series, the picture books Lullaby Lion and Polly's Pink Pyjamas, and numerous retellings of fairytales and folktales. She lives in Edinburgh. Helen Craig is the widely acclaimed illustrator of such children's books as This Is the Bear, One Windy Wednesday, and the hugely popular Angelina Ballerina stories. She lives in Great Shelford, Cambridgeshire.