Focal Point: A Proven System to Simplify Your Life, Double Your Productivity, and Achieve All Your Goals by Brian Tracy 5 h 21 min
Victory!: Applying the Proven Principles of Military Strategy to Achieve Greater Success in Your Business and Personal Life by Brian Tracy 8 h 43 min
Advanced Selling Strategies: The Proven System Practiced by Top Salespeople by Brian Tracy 1 h 30 min