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