Simple and timeless tools for success and happiness For more than eighty years, millions of people from Warren Buffett to Oprah Winfrey have benefited from the remarkable wisdom of Dale Carnegie. Intended as a basic sales primer, How to Win Friends and Influence People quickly exploded into an overnight success—selling more than fifteen million copies worldwide and becoming one of the most influential books of all time. With an enduring grasp of human nature, Dale Carnegie’s How to Win Friends and Influence People shows you how to be more persuasive and effective, a better leader and manager, and happier at home and at work. This special new edition of the beloved classic includes an exclusive foreword by Terry O’Reilly.