Extra Yarn, a Caldecott Honor Book, Boston Globe-Horn Book Award winner, and a New York Times bestseller, is the story of how a young girl and her box of magical yarn transform a community.With spare, gently humorous illustrations and a palette that moves from black-and-white to a range of color, this modern fairy tale has the feel of a new classic.Extra Yarn is written by Mac Barnett and illustrated by Jon Klassen, who also won a Caldecott Medal for This Is Not My Hat.Supports the Common Core State Standards.