Jon Klassen is a Canadian-born author-illustrator. He has written and illustrated the acclaimed Hat series, includingI Want My Hat Back,This Is Not My Hat, andWe Found a Hat. Highlights of his illustrated books areCats’ Night Outby Caroline Stutson,Sam & Dave Dig A Holeby Mac Barnett,The Darkby Lemony Snicket, andThe Wolf, The Duck & The Mousealso by Mac Barnett. His books have won a Caldecott medal and two Caldecott honors and other international awards. He lives in Los Angeles, California, with his wife and son. Photograph © Carson Ellis.