Mark Teague is an award-winning author and illustrator whose books include Fly!, King Kong’s Cousin, We Are Going to Be Pals!, You Are Not Sleepy!, and The Case of Old MacDonald and His Farm. He is also the illustrator of Cat Dog, written by Mem Fox; the Bat, Cat & Rat series, including the Theodor Seuss Geisel Award–winning second book Vacation, written by Ame Dyckman; and the New York Times bestselling How Do Dinosaurs…? series, written by Jane Yolen.