Through a mix of conceptual and empirical chapters, this book defines engagement for the field of language learning. It serves as an authoritative guide for anyone wishing to understand the unique insights engagement can give into language learning and teaching, or anyone conducting their own research on engagement within and beyond the classroom.

Phil Hiver is an Assistant Professor at Florida State University, USA. His research interests include instructed language learning and the role of psycho-social factors in second language teaching and learning.

Ali H. Al-Hoorie is an Assistant Professor at the English Language and Preparatory Year Institute, Royal Commission for Jubail and Yanbu, Saudi Arabia. His research interests include language motivation, complexity theory and advanced research methods in applied linguistics.

Sarah Mercer is Professor of Foreign Language Teaching at the University of Graz, Austria, where she is Head of ELT methodology. Her research interests include all aspects of the psychology surrounding the foreign language learning experience.