Introduction - Steve Hodgkinson and Neil Mercer Exploratory Talk for Learning - Douglas Barnes Talking a Way to Understanding in Science Classrooms - Phil Scott From Exploratory Talk to Critical Conversations - Kathryn M Pierce and Carol Gilles The Value of Exploratory Talk - Neil Mercer and Lyn Dawes Talking to Learn and Learning to Talk in the Mathematics Classroom - Yvette Solomon and Laura Black Culture, Dialogue and Learning: Notes on an Emerging Pedagogy - Robin Alexander Talking Texts into Being: On the Social Construction of Everyday Life and Academic Knowledge in the Classroom - Judith Green, Beth Yeager and Maria Castanheira Teachers' Use of Feedback in Whole-Class and Group-Based Talk - Frank Hardman Reflections on the Study of Classroom Talk - Courtney Cazden Exploratory Talk and Dialogic Inquiry - Gordon Wells and Tamara Ball