"The Undeniable Truth" is the book-confession of the American professional boxer Mike Tyson, written in co-authorship with Larry Sloman.The absolute world boxing champion in the heavyweight category, the first owner of three championship belts according to the versions of the WBC, WBA and IBF - all these titles Mike received when he was only 21 years old.A child of the Negro ghetto of New York with all the consequences that follow, he could not pass the test of world fame and big money that brought him championship titles.He got his nickname Iron Mike for his tough and brutal behavior both in the ring and in life. Sentenced to 6 years in prison on a false charge of rape, a patient of drug and alcohol addiction treatment centers, he found the strength to return to a normal life.This book is about ups and downs, about faith, willpower and love. , which enable a person to remain the champion of his own life.