MAC BARNETT is the New York Times bestselling author of many picture books, including the New York Times bestseller The Wolf, the Duck, and the Mouse; the Caldecott Honor Book and E.B. White Read Aloud Award-winner Sam and Dave Dig a Hole; and the Caldecott Honor Book and Boston Globe-Horn Book Award-winner Extra Yarn. He is also the coauthor of the bestselling Terrible Two series with Jory John. Mac lives in Oakland, California.