In his autobiography, Mike Tyson tells about his childhood and how he became a famous boxer. He describes in detail how the legendary trainer Cus D’Amato became his mentor and taught him to use his temperament and strength in boxing. After the coach’s death, when Tyson was only 20 years old, he became the youngest world champion in the heavyweight division. He speaks about the role D’Amato played in his life and the life lessons that the trainer gave him. He also recounts the coach’s courageous struggle against the mafia that controlled American boxing.