Demonstrates methods of securing cooperation necessary for group action. Details the objectives of cooperation. Shows typical situations requiring cooperation within a group dynamic, including the organization of a high school film projecting club and a community that needed its road paved. Presents basic techniques for achieving the assistance of others, including appealing to individuals' interests, offering a service in return, convincing people that they really want to help and demonstrating the benefit of working together towards a common goal. Explains how desired ends can be reached more easily with the cooperation of others.