Introducing Multilingualism is a comprehensive introduction to the dynamic field of multilingualism and an accessible guide to the key theories. Adopting a compelling social and critical approach, it covers language as a social construct, language contact and variation, language and identity and the differences between individual and societal multilingualism. Updated throughout with current theory, more international case studies and with a brand new chapter on multilingualism in the workplace, this highly practical and interactive textbook incorporates a wide range of engaging activities....