Conversation analytic perspectives on English language learning, teaching and testing in global contexts: edited by Hanh thi Nguyen and Taiane Malabarba, Bristol, Multilingual Matters, 2019, xi + 313 pp., £119.95/ $159.95/ €144.95 (hardback), ISBN 978-1-7889-2289-0. Issue 4 (1st October 2020) - Konzett-Firth, Carmen