Catherine Rayner is the creator of Molly, Olive, and Dexter Play Hide-and-Seek, the first book about this trio of animal friends. She is also the author-illustrator of Harris Finds His Feet, winner of the Kate Greenaway Medal, as well as My Pet Goldfish and other acclaimed picture books. She exhibits her artwork in galleries all over the world and illustrates her own line of greeting cards. Catherine Rayner lives in Scotland.