Biographical note

Mac Barnett is the author of several award-winning books for children, including President Taft Is Stuck in the Bath, illustrated by Chris Van Dusen, and Extra Yarn, illustrated by Jon Klassen, which won a Boston Globe–Horn Book Award and a Caldecott Honor. Mac Barnett lives in the USA, in California. Find Mac online at www.macbarnett.com and on twitter as @macbarnett.

Jon Klassen is the author-illustrator of I Want My Hat Back and This Is Not My Hat, the only book to ever win both the Kate Greenaway and Caldecott Medal. He also illustrated Mac Barnett's Extra Yarn and served as an illustrator on the animated feature film Coraline. His illustrations for Caroline Stutson's Cats Night Out won the Governor General's Award in 2010. Originally from Niagara Falls, Canada, Jon now lives in Los Angeles, California. Find Jon online at www.burstofbeaden.com and on Twitter as @burstofbeaden.