Perhaps because of uneven editing, the book’s more compelling sections are intercut with repetitious mea culpas and perfunctory inventories of drug and sex binges. Tyson’s idiosyncratic voice comes through clearly on the page here - not just his mix of profane street talk and 12-step recovery language, cinematic descriptions of individual fights and philosophical musings, but also his biting humor and fondness for literary and historical references that run the gamut from Alexandre Dumas to Tolstoy to Lenin to Tennessee Williams.

Tyson’s one-man stage show (HBO has been showing a filmed version), but in terms of raw emotion and psychological drama, the volume has more in common with James Toback’s powerful 2008 documentary “Tyson,” which was based on hours of taped interviews with its subject. And parts read like transcripts from a marathon therapy session, in dire need of editing. Parts read like a Tom Wolfe-ian tour of wildly divergent worlds: from the slums of Brooklyn to the high life in Las Vegas to the isolation of prison. Parts of it read like a real-life Tarantino movie. Tyson’s new memoir, “Undisputed Truth,” written with Larry Sloman, is a splashy hodgepodge of a book, by turns exhausting and fascinating, self-pitying and candid. Tyson would become as famous for his run-ins with the law and the wretched excess of his lifestyle as he was once feared and revered for his boxing prowess.

The youngest heavyweight champion of the world at the age of 20, in 1986, Mr. For many years, Mike Tyson lived a life without brakes.

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