Chapter 1 From Theoretical Roots to Empirical Outcomes: Setting the Foundation for Quality Talk in Taiwan.- Chapter 2 "Some Questions Are Sophisticated, so I Have to Answer Them in Sophisticated English" On Quality Talk in Low-Achieving EFL Classes.- Chapter 3 Understanding the Practice of Quality Talk in an English L2 Class Through Exploratory Practice.- Chapter 4 The Influence of Students' Academic Disciplines on the Use of Questions in Text-Based Group Discussion.- Chapter 5 The Effects of Text and Leadership on the Choice of Question Types in Quality.- Chapter 6 Understanding the Practice of Quality Talk in an English L2 Class Through Exploratory Practice.- Chapter 7 Quality Talk and Content Learning: An Exploration of Students' Background Schemata and Thematic Discussions.- Chapter 8 English-as-a-Foreign Language Learning for Communication Purposes and Enhancement of Critical-Thinking Skills: The Quality Talk Approach.