Anthea Simmons lives in Devon with her polydactyl cat, Caramac. After a successful career in the City and a spell of teaching, she finally knuckled down to write at the insistence of her son, Henry. She is the author of Share, The Best Best Baby, I'm Big Now and Lightning Mary and spends much of her time campaigning for the UK to remain in the EU.

Georgie Birkett completed her degree in Graphic Design and Illustration at the University of Brighton in 1996. She has since illustrated many books published all over the world and in 2008 she won the Best Baby Book 2008 in the Booktrust Early Years Awards for Is This My Nose? (Red Fox). Born in Kent, Georgie now lives in Lewes, East Sussex, with her husband, David, and sons, Jack and Albert.