A compact, user-friendly reference book, investigating current trends in ELT. Trends are wide-ranging and include topics such as plurilingualism, wellbeing, digital literacies, metacognition, flipped learning, gamification, mediation, and critical thinking, amongst others. The book considers how and why each trend has become important in ELT explores how the trends are reflected in current practices and evaluates the trends, looking at their relevance to different ELT contexts and their grounding in research.