James Sage est auteur de plus d'une douzaine de livres pour enfants, y compris Fat Cat et Mr. Beast. Originaire des États-Unis, il a visité plusieurs régions du monde et habite maintenant à Lincolnshire, au Royaume-Uni.

James Sage is an American children's author now living in Lincolnshire, England. His first children's book won the Prix d'Arles.
Russell Ayto is the illustrator of many books for children, including The Witch's Children. Russell currently lives with his family in Cornwall, England