Influence: The Psychology of Persuasion, Revised EditionThe widely adopted, now classic book on influence and persuasiona major national and international bestseller with more than four million copies sold! In this highly acclaimed New York Times bestseller, Dr. Robert B. Cialdinithe seminal expert in the field of influence and persuasionexplains the psychology of why people say yes and how to apply these principles ethically in business and everyday situations. Youll learn the six universal principles of