"Thom talked to John at a point where he was sort of aware of what he was doing," she recalls, but then "John reached a point where he could no longer really do the interviews.
Still, the book provides a glimpse into Mackey's thoughts on a number of issues:
On signing with the Colts: "I desperately wanted to be drafted by the New York Giants. ... I was crushed when they passed me over."
On Baltimore fans: "There were no fans, perhaps in all of sports, like Baltimore Colts fans ... "
On Johnny Unitas: "The greatest quarterback to play the game ... "
On Colts coach Don Shula: "Shula was an excellent coach. He taught us to do everything we could to take advantage of and find the weakness in the players we were going up against. He also told us that you must go back and study yourself to find your own weaknesses."
On pro football's team owners, after he became president of the players union: "The owners clearly did not realize that this was a different time for the union. They figured we would just buckle and sign what they wanted. But we didn't, and that's why I led the players in a walkout ... "
On being inducted into the Pro Football Hall of Fame: "It was my time in the sun, and my feet were on the ground, but my head was in the clouds. ... It was that kind of day, to celebrate not just what I had accomplished, but how I did it as well, with the life lessons of honesty and integrity - and color blindness - that I have learned at home from my parents, the lessons I have tried to pass on to young men and women."
On winning the Super Bowl: "I had finally won the big one. No matter what else happened to me, I would always be a Super Bowl champion."
On the end of his career: "I'd like to think that I gave as good as I got in the game, that I had contributed as much as I had received from football."