Matthew Cordell is the Caldecott Medal-winning author and illustrator of Wolf in the Snow, and the illustrator of numerous highly acclaimed children's books including The Only Fish in the Sea (by Philip C. Stead) and Special Delivery which was a Washington Post Best Book of 2015. He wrote and illustrated Another Brother, Wish and Hello! Hello!, a New York Times Notable Children's Book. Matthew lives near Chicago with his wife, author Julie Halpern, and their two children.