This innovative and accessible textbook is designed to provide readers with the knowledge and analytical skills required to explore why and how social inequalities and injustices are enacted through language, and how they may be challenged. Written in accessible language by expert authors, the book introduces readers to theories, concepts, methods and applications which enable them to become 'activist applied linguists' in the field of language and social justice. Each chapter contains up-to-date information, real-life case studies, study questions and activities, suggestions for activism, and recommend readings relating to a range of topics within the field of language and social justice research. Student-friendly, this book is essential reading for students and scholars engaged in language and social justice research across a range of contexts.