From the bestselling author of Think and Grow Rich and The Law of Success comes a master class in individual achievement. Learn how to implement the success system responsible for the remarkable accomplishments of AmericaÕs greatest entrepreneurs, innovators, and leaders. After dedicating over 20 years of his life to studying the success secrets of more than 500 of AmericaÕs most prosperous individuals, Napoleon Hill organized his findings into the worldÕs first practical philosophy of human achievement. The 17 core principles form the Science of Personal Achievement and are presented here for your study and implementation. Use the techniques in this book to develop mastery over your thoughts so that you can enjoy ÒwealthÓ in its broadest senseÑfinancial, spiritual, mental, and material. Discover the building blocks of success, such as: á The 12 great riches of life áThe 7 factors that contribute to Definiteness of Purpose áThe 8 fundamentals for building faith áThe 7 rules for accurate thinking áAnd much moreThe greatest achievements of humankind began as the material of thought. With the insights from HillÕs extensive research, you will be able to establish mental habits that lead to financial security, health, and the peace of mind necessary for happiness.