The Master Key System (Chinese Edition)

Since the publication of the original work in 1912, the sales volume has exceed hundreds of thousands of copies till 1933. However, it is banned by the Church because it reveals the extremely big secret. Soon, it seems to evaporate and disappears for nearly a hundred years. During this period, actually it is still spread secretly in a few people. Napoleon Hill used to be a coal mine worker. Later, he becomes the master of success known to every household. He says all of his individual achievements are attributed to the content of The Master Key System"".