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.

Viviane Schwarz is the author-illustrator of the highly acclaimed picture books There Are Cats in this Book and There Are No Cats in this Book, both of which were shortlisted for the Kate Greenaway Medal (2009, 2012). The Adventures of a Nose was also shortlisted for the V&A illustration Award.

She was named one of the Booktrust's Best New Illustrators 2011. Her debut graphic novel The Sleepwalkers was nominated for the British Comics Awards and her activity picture book Welcome to Your Awesome Robot (Flying Eye Books) was published to great acclaim.