Matthew Cordell writes and illustrates picture books and chapter books for children. His nearly wordless picture book, Wolf in the Snow, was awarded the 2018 Caldecott Medal. He has written and illustrated many other popular (and often very funny) picture books, including Trouble Gum, King Alice, Another Brother, and Hello! Hello! and illustrated If the S in Moose Comes Loose, Toot Toot Zoom!, Special Delivery, the Justin Case chapter book series, and many more.