The updated and most complete edition of Napoleon Hill's masterwork. Napoleon Hill stunned America when he published his first edition of The Law of Success. It had taken Hill twenty years to research and write. He had personally met with hundreds of the most famous self-made multimillionaires so he could study their habits, analyze their methods, and learn their secrets of success. After further testing and proving his theories, Napoleon Hill refined them into 17 basic principles that anyone could master and use.