This text covers the important theoretical and empirical developments in the social psychology of collective life. Topics focused on include: groups, both small and large; social organizations and institutions; shared processes of sense-making; representation and discourse; and social norms and rules. The book follows social psychological developments from the 1920s to the 1990s, discussing contemporary work within this historical context. The contributions, representing both European and North American work, recognize and explain a variety of perspectives in the discipline of social psychology.