LEAD:Bret "The Hitman" Hart was a World Wrestling Federation champion in and out of the ring. Beyond his remarkable physical skills he also spoke out on behalf of his wrestling brothers and sisters. His new book "Hitman" is a warts-and-all look at his life, his father Stu the wrestling teacher, his profession and the colourful characters of wrestling.

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END CUE: "...published by Random House Canada."