Napoleon Hill summed up his philosophy of success in Think and Grow Rich, one of the bestselling inspirational business books ever. A USA Today survey of business leaders named it one of the five most influential books in its field, more than 40 years after it was first published. Now, in Napoleon Hill's Keys to Success, Hill's seventeen essential principles of personal achievement are expanded in detail for the first time, with concrete advice on their use and implementation. This illuminating guide is packed with invaluable mental exercises, self-analysis techniques, powerful encouragement and straightforward advice. It is guaranteed to help everyone who is seeking personal and financial improvement. You will learn how to: Fill your life with purpose and direction; Perfect your personality; Fan your creative spark; Create a positive mental attitude; Build your self-discipline; Budget time and money; And countless other ways to fulfil your ambitions and make your dreams come true