**MAC BARNETT *is the New York Times bestselling author of many picture books, including the New York Times bestseller The Three Billy Goats Gruff *; 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; the Shapes Trilogy (Trian...

**MAC BARNETT *is the New York Times bestselling author of many picture books, including the New York Times bestseller The Three Billy Goats Gruff *; 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; the Shapes Trilogy (Triangle, Circle, and Square); and the Caldecott Honor Book and Boston Globe-Horn Book Award winner Extra Yarn. Mac is also the author of the middle-grade series, Mac B., Kid Spy. He lives in Oakland, California.

CARSON ELLISis the author and illustrator of the bestselling picture books* Home and* Du Iz Tak?**, a Caldecott Honor book and the recipient of an E. B. White Read Aloud Award. She has illustrated a number of children's books, including* What Is Love?by Mac Barnett, The Shortest Day by Susan Cooper, The Mysterious Benedict Society by Trenton Lee Stewart, The Composer Is Dead * by Lemony Snicket, and the Wildwood Chronicles series by her husband, Colin Meloy. She lives on a farm with her family in Oregon.