Napoleon Hill was the author of the book "Think and Grow Rich". Hill was a journalist. He was asked to interview Andrew Carnegie, one of the richest men in the world at that time. Mr. Carnegie asked Hill whether he could write a success blueprint. He was given the contact of hundreds of the most powerful men of the time. This list included Henry ford Thomas Alva Edison, John D Rockefeller and others. He wrote the book and it became the best seller and led to millions of people benefiting from it. The first edition came out in 1937 and there has been lot of editions by Hill and other authors, since. The 1937 book, even though not publicised, sold 5000 copies just by word of mouth in the first 6 weeks. 10,000 copies were printed and all the copies sold out in the next 6 weeks. In the third print totalled 20,000 copies.