Golf: Understanding Technique Before Executing - "A Groundbreaking Approach For Golfers To Apply Their Golf Instruction With A Unique Improvement Plan For Lower Golf Scores". By Australian PGA Professional, Doug Kercher. A triple set of a new golf instruction books called "Golf - Your Perfect Plan For Practice And Play" by Doug Kercher, Australian PGA Professional is now available. Every part of golf from goal setting to practice schedules to analyzing golf rounds is explained in the Manual and the golfer can apply all the information in practice with the pocket size 12 Week Training Diary and track their rounds in the pocket size 21 Game Playing Record. The seemingly endless search for golf improvement has resulted in hundreds of new golfing products and books and videos being released every year.