This book not only showcases updated research but provides useful information as to why peer interaction sometimes falls flat in the classroom and what teachers can do to ensure that their students benefit from peer interaction activities. It is a must-read for researchers and practitioners alike who are interested in interaction and language learning. * Masatoshi Sato, Universidad Andrés Bello, Chile * This exciting volume offers a rich and timely exploration of peer interaction in foreign language classrooms. Covering diverse learner groups, instructional modes, and learning outcomes, it demonstrates the powerful role of collaboration in language development while showcasing effective pedagogical practices, making it an essential resource for researchers and practitioners alike. * Noriko Iwashita, The University of Queensland, Australia * This is a refreshing addition to peer interaction research, blending cognitive, social, and individual difference perspectives to examine how learners from a wide range of authentic language classrooms make use of and benefit from peer interaction. A must read for new and experienced researchers alike. * Rebecca Adams, The University of Memphis, USA *