World's Most Notorious Gangsters and Drug Lords: Biographies of Al Capone, El Chapo, Jesse James, Whitey Bulger, John Gotti, and Pablo Escobar - Walter Barnes - PaperbackIndependently PublishedISBN: 9781697854442
John Gotti: The Teflon Don of the Gambino Crime Family - Walter Barnes - PaperbackIndependently PublishedISBN: 9798663249287