Martin, Goldstein and Cialdini are renowned practitioners of the science of persuasion. In the field of influence and persuasion, Robert Cialdini is the world's most cited living social psychologist and author of the seminal book Influence [9781846686146]. Together, they are the authors of the Royal Society Prize-listed international bestseller Yes! 50 Secrets from the Science of Persuasion [9781846680168]. Collectively the authors' books have sold three million copies and translated into twenty-seven languages.