Think And Grow RichBy: Napoleon Hill THE INSPIRING INTERNATIONAL BESTSELLER Discover 13 powerful principles behind every great success story and how you can use them to change your life. The first step to devising a winning strategy Sunday Times Bestselling motivational author Napoleon Hill devoted 25 years to finding out how the wealthy became that way. After interviewing over 500 of the most affluent men and women of his time, including Henry Ford, Thomas Edison and