The Key Principles Vol. 15 Number of Chapters 20 Chapter 1: 3-woods Off the Fairway Chapter 2: Club Head Speed Chapter 3: Different Lies in a Bunker Chapter 4: Tight Lies Around the Green Chapter 5: 40- to 50-Yard Shots Chapter 6: Over Trees Chapter 7: Wet Sand Chapter 8: High Wedge Shots Chapter 9: Lob Wedge Chapter 10: Low Wedge Shots Chapter 11: Fairway Bunkers Chapter 12: More Greens in Regulation Chapter 13: Wedges into Firm Greens Chapter 14:...