Helen Oxenbury is among the most popular and critically acclaimed illustrators of her time. Her numerous books for children include Farmer Duck by Martin Waddell, We're Going on a Bear Hunt by Michael Rosen, as well as her classic board books for babies.

She won the Kate Greenaway Medal for Alice's Adventures in Wonderland. Her most recent picture books include the critically acclaimed There's Going to Be a Baby, the first book-publishing collaboration between her and her husband John Burningham, and Charley's First Night and When Charley Met Granpa, written by Amy Hest. Helen lives in London.

Born in Belfast, Martin Waddell was an aspiring football player for many years, before turning his hand to writing. He is now widely regarded as one of the greatest living children's writers, and has over 220 published titles to his name.

He is perhaps best known for Owl Babies, illustrated by Patrick Benson and Farmer Duck, illustrated by Helen Oxenbury; as well as the 1989 Kurt Maschler Award-winning The Park in the Dark and the Little Bear series, both illustrated by Barbara Firth.

In 2004, Martin received the Hans Christian Andersen Medal for his lasting contribution to children's literature, the highest career recognition available to a writer or illustrator of children's books. He lives in Newcastle, County Durham.