The Ultimate Sales Machine by Chet Holmes
According to Holmes there are two things that are required if you want to have success in business and in sales.
The first key is what he calls "pigheaded discipline." The second key is to focus on mastery. Doing 12 things 4,000 times will generate far better results than doing 4,000 different things.
And what are those 12 things? You'll find out in this summary.