"Empowering . sweepingly ambitious . Rosenberg's case studies are as different as they are fascinating . A brilliant book." --Abraham Verghese, Newsweek Awinner of the National Book Award and thePulitzer Prize, Tina Rosenberg has spent her career tackling some of theworld's hardest problems. Now, through striking stories from around the globe,Rosenberg shows how positive peer pressure can change people's behavior andsolve seemingly intractable social quandaries. In every case, pioneering socialentrepreneurs throw out the old models for social change in favor of humanity'smost powerful and abundant resource: our connections with one another. Theresult is one of those rare books that will not only revolutionize the way youlook at the world but also give you the power to change it.