作者写道这本书的原因：
Traders have been asking me for more than ten years to write this book. Being a fund manager, there was no chance I would write a comprehensive book on the price-projection methods I used or the research that was developing from the methodology. But times change and a wise partner of mine asked. "What is your business exit strategy going to be?" He explained that all the knowledge and wisdom you have gained over the years will be lost if you have no plan to pass it on to the next generation. It is not enough to come, extract from the markets, and then hide in a cave with the best gems you have polished over the years tucked safely away in the deepest partitions of your mind. What good was the journey if someone does not pick up the Hag and continue to move it forward?
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