He explains how the mafia began, how it responds to threats and challenges, and introduces us to the real-life characters that inspired the American imagination for generations, making the mafia an international, larger than life cultural phenomenon. Dickie's dazzling cast of characters includes Antonio Giammona, the first "boss of bosses''; New York cop Joe Petrosino, who underestimated the Sicilian mafia and paid for it with his life; and Bernard "the Tractor" Provenzano, the current boss of bosses who has been hiding in Sicily since 1963.