"From the bestselling author of Drive and A Whole New Mind comes an exploration of the power of selling, which each of us does every day--whether we know it or not. According to the U.S. Bureau of Labor Statistics, one in nine Americans works in sales. More than fifteen million people earn their keep by convincing someone else to make a purchase. But dig deeper and a startling truth emerges: Yes, one in nine Americans works in sales--but so do the...