Tiger Woods, the world's greatest golfer, has switched teachers and everybody is talking about his new swing. There have been numerous changes to his technique since renowned author and golf instructor John Andrisani's bestselling The Tiger Woods Way hit the shelves in 1997. And the overall improvement in Woods' game has everyone asking the same question: what is he doing differently since switching to teaching guru Hank Haney and how can I use these lessons to improve my own game?

Drawing from interviews with golf instructors familiar with Tiger's swing, professional golfers...