Welcome back to the "Talking Sports Books" show and coming up in this edition we are joined by Sky Sports Boxing commentator Andy Clarke to talk about his new book "The Knockout" which looks in depth at sport's most decisive moment the book features comment from Deontay Wilder, Carl Froch, Tony Bellew, Ricky Hatton . The book looks at the effects of "The Knockout" on those who deliver the moment those who suffer receiving it and the role of referees, coaches and trainers.