I read the book this afternoon. The Roy Keane chapter was the only good bit. It is worth reading a bit more about this particular subject before reading Ferguson's book as he is not allowed to discuss it under the terms of a legal settlement.
http://en.wikipedia.org/wiki/Rock_of_Gibraltar_(horse)
He also talks a lot of smack about Owen Hargreaves. Eat it, Calgary!
Great interview here. He gets a real grilling from Jon Snow, who accuses him of being a control freak.
http://www.joe.ie/football/football-...-on-channel-4/