Stephen Savage is the illustrator of the New York Times-bestselling picture book Polar Bear Night, also named a New York Times Best Illustrated children's book. He is also the creator of Little Tug, which School Library Journal called "petite but powerful"; Supertruck, which earned six starred reviews and a Geisel Honor; Mixed-Up Truck; and Little Plane Learns to Write. He lives in Brooklyn with his wife and daughter.