Mike Tyson, right, delivers a blow to Trevor Berbick during...

Mike Tyson, right, delivers a blow to Trevor Berbick during a bout in Las Vegas, 1986. Tyson's new memoir is titled "Undisputed Truth" (Blue Rider Press, November 2013). Credit: AP

UNDISPUTED TRUTH, by Mike Tyson with Larry Sloman. Blue Rider Press, 580 pp., $30.

Back in Mike Tyson's heyday, it was a badge of honor for many boxers to simply survive past the first round in the same ring as Tyson, the self-described "animal" and "monster" of American sports.

But now I've got those palookas beat. I went the distance -- all 580 pages -- with Tyson's violence-, drug- and sex-filled memoir, a masterpiece of depravity and confessional honesty titled "Undisputed Truth." In 1986, at age 20, the New York City-born, onetime petty criminal became the youngest-ever heavyweight champion of the world. In the years that followed, he proceeded to publicly disgrace himself with a series of outrageous acts that landed him in tabloids, jail cells and courtrooms again and again.

"Nobody can make a better fool out of me than myself," Tyson writes after describing a nightclub confrontation in which he lowered his pants and performed an unclean act upon a mink coat. (It belonged to another boxer who'd disrespected him). "I'm so much like my mother in that respect."

As a boy Tyson was routinely pummeled by his mother. Even as he became a multimillionaire and one of the most famous people on Earthone of the most, people on Earth,the self-hate and rage he learned growing up in the dire poverty of Brooklyn's Brownsville neighborhood never left him. "Undisputed Truth" is the record of this tormented journey, as told to Larry Sloman, co-author of Howard Stern's bestselling books.

Sloman allows Tyson's id free rein. Together they create a book that is grimly tragic on one page, laugh-out-loud funny on the next, and unrelentingly vulgar and foul-mouthed.

"You could put me in any city in any country and I'd gravitate to the darkest cesspool," Tyson insists.

Tyson's account of his childhood is impossibly sad. A speech impediment and his perpetually soiled clothes and unwashed body made the boy a "little sewer rat" and a pariah -- until he beat up a bully (with the neighborhood watching, of course). Then he joined some older boys in a series of robberies, made a ton of money and started dressing well. Finally, his mother accepted a psychiatrist's diagnosis of hyperactivity and had him placed on Thorazine.

Eventually, Tyson ended up in the New York State juvenile detention system. At a youth prison camp upstate, he found a boxing program. His talent was immediately apparent to one trainer, who alerted the boxing legend Cus D'Amato.

After watching a 13-year-old Tyson box for a mere six minutes, D'Amato told him: "If you listen to me, I can make you the youngest heavyweight champion of all time."

In "Undisputed Truth," D'Amato is portrayed as a demanding, ambitious father figure. D'Amato and Tyson agree that he will be a boxing "villain" who embraces his "ghetto" past. "As my career progressed and people started praising me for being a savage, I knew that being called an animal was the highest praise I could receive from someone." he notes.

After D'Amato dies in 1985 and Tyson wins the heavyweight championship, his life begins a rapid downward spiral. He's suddenly so rich he can afford to buy an entire dealership's supply of Rolls-Royces. Agents, pimps, wild animals and cocaine dealers pop in and out of the story.

"I can't believe what a disrespectful ignorant monster I was then," Tyson says. Eventually, his escapades begin to degrade his performance in the ring. "There was no way that someone could be a sexual Tyrannosaurus and the world's champion."

There's a lot of misogyny in this book -- Tyson was, by his own account, angry at women for most of his life. The best thing that can be said about the passages in which he recounts his marriage to Robin Givens and his conviction on rape charges is that there's little doubt he's being honest about how he feels about the women involved. Only some 200 pages later, when he's finally seeing a sex-addiction counselor, he confesses: "I changed my whole outlook on the way I relate to women." He's come to realize that "I was so insecure, so afraid of loss, so afraid to be alone."

One of the biggest surprises in "Undisputed Truth" is its ending, a "Postscript to the Epilogue" that suggests just how hard Tyson has had to work at healing himself. "I desperately want to get well," Tyson says. After 580 pages in which he's pummeled his reader with accounts of his self-destruction, you can't help but believe him.

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