Robie H. Harris is the New York Times and internationally best-selling author of numerous picture books including the award-winning Crash! Boom! A Math Tale; Now What? A Math Tale; Who Has What?; Who’s In My Family?; Who We Are, among others. She is also the author of It’s Perfectly Normal; It’s So Amazing!; It’s Not the Stork!; and the Let’s Talk About You and Me series. Robie H. Harris lives in New York City.