Jon Klassen grew up in Niagara Falls, Canada, and now lives in Los Angeles, California. He is the author and illustrator of I Want My Hat Back, as well as the illustrator of Cats’ Night Out by Caroline Stutson, Extra Yarn by Mac Barnett, and the other books in the Incorrigible Children of Ashton Place series. He also created concept art for Coraline, the stop-motion animated film based on the book by Neil Gaiman.