Michael Rosen is one of the most popular authors for children. His bestselling titles published by Walker Books include We're Going on a Bear Hunt, A Great Big Cuddle, Little Rabbit Foo Foo, Michael Rosen’s Sad Book, Tiny Little Fly and What Is Poetry?.

Michael received the Eleanor Farjeon Award for distinguished services to children’s literature in 1997, and was the Children’s Laureate from 2007 to 2009. He is a distinguished critic and academic, Professor of Children's Literature at Goldsmiths, University of London.

He also presents radio programmes for the BBC, and is a political commentator. Michael lives in London.

Polly Dunbar is one of the most well known illustrators working in the UK today. Polly's bestselling book, Penguin, has won numerous awards including the BookTrust Early Year's Award, the Nestle Silver Children's Book Prize, the Red House Children's Book of the Year Award and was shortlisted for the Kate Greenaway Medal. Polly was chosen as one of BookTrust's Ten Best illustrators.

Polly is the illustrator of Shoe Baby, Pat-a-Cake Baby and two picture books written by David Almond. Polly created Tilly and Friends, a series which is now animated on CBeebies. She is also co-founder of an award-winning theatre company. Polly lives in the Waveny Valley, Suffolk with her partner and their two boys.