The foundational and wildly popular go-to resource for influence and persuasion - a renowned international best seller, with over five million copies sold - now revised adding: new research, new insights, new examples, and online applications.

In the new edition of this highly acclaimed best seller, Robert Cialdini - New York Times best-selling author of Pre-Suasion and the seminal expert in the fields of influence and persuasion - explains the psychology of why people say yes and how to apply these insights ethically in business and everyday settings. Using memorable stories and relatable examples, Cialdini makes this crucially important subject surprisingly easy. With Cialdini as a guide, you don’t have to be a scientist to learn how to use this science.