This book explores second language (L2) learning, teaching, and assessment from a comprehensible input (CI) perspective. It takes a blended approach that promotes the intertwining of theory, research and practice in L2 pedagogy and assessment and aims to address the commonly used concept of CI and its role in L2 education.

Nihat Polat is an Associate Professor and Associate Dean for Graduate Studies and Research in the School of Education, Duquesne University, USA. He teaches courses on L2 learning and teaching, and curriculum and assessment. He researches in the areas of L2 learning and teaching and L2 teacher education. He has published in numerous peer-reviewed journals and is the Chair of TESOL Applied Linguistics Interest Section (2015-2016).