The 7 Habits of Highly Effective People pdf is a business and self-help book written by Stephen Covey. This book presents an approach to being effective in attaining goals by aligning oneself to what he calls "true north" principles based on a character ethic that he presents as universal and timeless. The writer defines effectiveness as the balance of obtaining desirable results with caring for that which produces those results. He illustrates this by referring to the fable of the goose that laid the golden eggs. He further claims that effectiveness can be expressed in terms of the P/PC ratio, where P refers to getting desired results and PC is caring for that which produces the results. This best-known book, it has sold more than 25 million copies worldwide since its first publication. The audio version became the first non-fiction audio-book in U.S. publishing history to sell more than one million copies.