The original， best-selling blockbuster which has transformed businesses world-wide. Now available in audiobook on both cassette and CD. The blockbuster number 1 international bestselling phenomenon is back! not that it ever really went away. An easy to absorb story， which quickly demonstrates three very practical management techniques. It also includes information on several studies in medicine and in the behavioural sciences， which help listeners to understand why these apparently simple methods work so well with so many people.