Book excerpt: When originally published in Norway, Ethnic Groups and Boundaries marked the transition to a new era of ethnic studies. Today this much-cited classic is regarded as the seminal volume from which stems much current anthropological thinking about ethnicity. Ethnic Groups and Boundaries opens with Barths invaluable thirty-page essay that introduces students to important theoretical issues in the analysis of ethnic groups. Following is a collection of seven essaysthe results of a symposium involving a small group of Scandinavian social anthropologistsintended to illustrate the application of Barths analytical viewpoints to different sides of the problems of polyethnic organization in various ethnographic areas, including Norway, Sudan, Ethiopia, Mexico, Afghanistan, and Laos.