DAVID LEADBETTER STUDENT, LYDIA KO, FINDS HER A-SWING TO BECOME YOUNGEST MAJOR WINNER.

Byeong-hun (Ben) An credits his historic victory at the BMW PGA Championship to his swing coach David Leadbetter and his revolutionary new A Swing approach.

Byeong Hun (Ben) An credits his historic victory at the BMW PGA Championship to his swing coach David Leadbetter and his revolutionary new A Swing approach. Leadbetter worked with An this week at Wentworth fine tuning his swing as well as helping with putting and his short game.

THE A SWING: The Alternative Approach to Great Golf (St. Martin's Press, On Sale May 12, 2015, $27.99) is Leadbetter's first instruction book for 10 years, and is set to revolutionize how the game is both played and taught. Based on scientific research The A Swing is a simple and efficient way of swing the club that in testing has produced dramatic results with golfers of all abilities.