Book excerpt: This Handbook is an in-depth appraisal of the field of minority languages and communities today. It presents a wide-ranging, coherent picture of the main topics, with key contributions from international specialists in sociolinguistics, policy studies, sociology, anthropology and law. Individual chapters are grouped together in themes, covering regional, non-territorial and migratory language settings across the world. It is the essential reference work for specialist researchers, scholars in ancillary disciplines, research and coursework students, public agencies and anyone interested in language diversity, multilingualism and migration.