A practical book written by a successful Wall Street man who has proved his theory in actual trading. He writes from twenty years' experience and gives examples of his rules by the Case System. This is the only book published covering the investment and speculative field of Cotton and Grain as well as Stocks. It is fully illustrated with 22 charts showing plainly the successful method of trading. In four books under one cover: Book I Preparation for Trading. Book II How to Trade. Book III How to Determine the Position of Stocks. Book IV Commodities, including Cotton, Wheat and Corn.