Seongsook Choi is a lecturer in the Moray House School of Education, University of Edinburgh, UK. Her current research focuses on interdisciplinary talk, the development of analytical tools for mapping interactional patterns, and representing these dynamically in visual formats. Keith Richards worked at the Universities of Aston and Warwick, UK, but is now retired. His publications include Qualitative Inquiry in TESOL, Language and Professional Identity, and Research Methods for Applied Language Studies (with Steven Ross and Paul Seedhouse).