Although communitarianism has a long history, it has only recently emerged to pose a major challenge to the traditional left-right divide in politics and the competing principles of individualism and collectivism. Communitarianism is the first comprehensive and accessible introduction to communitarianism’s ideas and their implications for politics and citizenship. Drawing on a wide range of international examples and engaging with communitarianism’s critics, Tam demonstrates clearly its relevance to the United States and the world.