Betsy Lewin is the Caldecott Honour-winning illustrator of Click, Clack, Moo: Cows That Type and its sequels, Giggle, Giggle, Quack; Duck for President; Dooby Dooby Moo; and Thump, Quack, Moo; in addition to a number of other picture books, including So, What's It Like to Be a Cat? and Where Is Tippy Toes? She lives in Brooklyn, New York.