Michael Rosen is an eminent writer, broadcaster, poet, and performer who has received many prestigious awards. His books include Happy Harry's Cafe, illustrated by Richard Holland; Bananas in My Ears and Michael Rosen's Sad Book, both illustrated by Quentin Blake; This Is Our House and I'm Number One, both illustrated by Bob Graham; Red Ted and the Lost Things, illustrated by Joel Stewart; Tiny Little Fly, illustrated by Kevin Waldron; and Totally Wonderful Miss Plumberry, illustrated by Chinlun Lee. A former British Children's Laureate, Michael Rosen lives in London.

Helen Oxenbury is a celebrated illustrator of many well-loved books, including Charley's First Night and When Charley Met Grampa, both by Amy Hest, Farmer Duck by Martin Waddell, and There's Going to Be a Baby, written by her husband, John Burningham. Helen Oxenbury lives in London.