Mark Leyner is the author of the novels The Sugar Frosted Nutsack; My Cousin, My Gastroenterologist;Et Tu, Babe; and The Tetherballs of Bougainville. His nonfiction includes the #1 New York Times bestsellerWhy Do Men Have Nipples?. Leyner cowrote the movie War, Inc. He currently lives in Hoboken, New Jersey.