Whether you are a new or experienced investor, the book is undoubted to bring you profound value without appearing anywhere: You are a new investor and do not know how to start, you can not find a clear reason to decide to buy or sell stocks. You are an emotional investor or a losing investor. You are following the value investing strategy or the growth investing strategy.With the scientific, mathematical and quantitative approach, the author indicates the principles and parameters to evaluate general market trends and two quantitative investment strategies.The book is practical, with clear examples, the readers can verify and backtest the strategies.In the last chapter, the book consolidates the mindmap of 2 strategies that help readers easy to remember and check when trading. I believe the book is deserved as the best investing book, and it will help you to achieve financial freedom soon.