Mark Teague is an award-winning author and illustrator whose books include Fly!, King Kong's Cousin, We Are Going to Be Pals!, and You Are Not Sleepy!. He is also the illustrator of Cat Dog, written by Mem Fox; the Bat, Cat & Rat series, written by Ame Dyckman; and the New York Times bestselling How Do Dinosaurs...? series, written by Jane Yolen.