As the seventh refereed volume of the Asia-Pacific Association for Computer-Assisted Language Learning (APACALL) Book Series, this book explores and presents online language teaching activities. The book provides a valuable resource for language teachers, teacher educators, and researchers. It can be downloaded for free and shared with others. Please cite as: Son, J.-B. (Ed.). (2023). Online language teaching in action. APACALL. https://www.apacall.org/research/books/7/ ISBN 978-0-6486653-3-5 The whole book can be downloaded by clicking on the complete book link below. Online Language Teaching in Action (complete book, PDF, 1.3 MB)