I-IV -- Table of Contents -- Introduction -- Part One. Written Dialogue -- Metadiscursive Practices in Academic Discourse: Variation across Genres and Disciplines -- The Use of Metadiscourse in Abstracts: A Comparison between Economics and Psychology Abstracts -- How Linguists Write about Linguistics: The Case of Introductory Textbooks -- Editorial Strategies and Metadiscourse in Marshall's "Elements of Economics of Industry" -- The Role of Metadiscourse in University-Level EAP Reading Instruction -- Advance Labelling in Macroeconomics Textbooks -- Part Two. Oral Dialogue -- Interactivity in Academic Lectures: The Role of Questions and Answers -- Talking about Texts: Production Roles and Literacy Practices in University Seminars in Britain and Italy -- The Use of Metadiscourse in EAP Presentations by Native Italian Speakers