Dave Pelz is a former NASA research scientist who competed against Jack Nicklaus in college golf. He got frustrated when he could not beat Nicklaus in spite of devoting himself to practice. He realized he was being beaten on the putting green. This book brings knowledge and understanding in the research of putting, where you will learn about the outside influences that affect the putting stroke. It covers the mechanics of putting, and includes techniques, exercises and drills to improve the putting stroke. Dave Pelz has come up with a system to perfect your putting stroke or at least to come as close to perfect as humanly possible. Paperback, 224 pages.