Political psychology is an interdisciplinary field in which psychological concepts and methods are used to test theories about elite and mass political behavior. The field draws on a diverse set of disciplinary sources, including anthropology, neuroscience, history, behavioral genetics, psychoanalysis, as well as all branches of psychology. This collection brings together this diverse body of work, organizing it and distilling it into a single vital reference source. Its aim is to provide a definitive set of classic and contemporary readings representing all theoretical, methodological and epistemological approaches to the study of the political psychology, as well as to provide extensive coverage of the myriad areas of political behavior from a psychological perspective. Volume 1: Theoretical Approaches Volume 2: Public Opinion and Mass Political Behaviour Volume 3: International Relations and the Psychology of Political Elites Volume 4: Intergroup Relations and Political Violence