Explore the dynamic relationship between language and society with this comprehensive sociolinguistics handbook. This essential guide delves into language variation, discourse, and applied sociolinguistics, integrating perspectives from anthropology and social psychology. It offers deep insights into how communication shapes language identity and social evolution in our digital age. Indispensable for students, academics, and researchers in linguistics, communication, and social sciences, it provides the definitive tools to understand language use and societal change.