From dealing blackjack in the small-time gangster town of Steubenville, Ohio, to carousing with the famous "Rat Pack" in a Hollywood he called home, Dean Martin lived in a grandstand, guttering life of booze, broads, and big money. He rubbed shoulders with the mob, the Kennedys, and Hollywood's biggest stars. He was one of America's favorite entertainers. But no one really knew him. Now Nick Tosches reveals the man behind the image--the dark side...