Duke University coach Mike Krzyzewski has won more games than any Division I basketball coach in history. He is also recognized around the world as the coach of Team USA, and on campus at Duke, the man known as Coach K is such an icon that students bow down to him he walks onto the court named in his honor. But Krzyzewski's prolonged and unprecedented success is complicated. How is he still winning? Why he is coaching basketball? What happens when he decides to move on? Duke graduate Ben Cohen, who writes about sports for The Wall Street Journal, set out to answer those questions by revisiting his own time in North Carolina and interviewing Krzyzewski and those around him in exclusive settings. The result is an intimate portrait of Krzyzewski written from a unique perspective.