You master Sun Tzu's Art of War Golden Key Strategy in the same way you master any martial art: by active training and practice. While you can learn about his nine formulas by reading books, 90% of his system deals with specific situations. Many of these situations will not be relevant whenever you happen to read one of our books. You are unlikely to remember them when you need them. Training gives you experience using these ideas so they more readily come to mind when you need them. Reading books, though that is a good start, cannot overcome a lifetime of not knowing how to make better choices. We train you in the martial art of competitive decision-making through training games and exercises in our online individual training.