Frontmatter -- Contents -- Preface -- Acknowledgments -- 1. Introduction -- 2. Theoretical and Pedagogical Rationale for Collaborative L2 Writing -- 3. Collaborative Writing: L2 Learning and Practice Opportunities -- 4. Factors Affecting Languaging in Collaborative Writing -- 5. Collaborative Writing and Language Learning -- 6. Learners' Perspectives of Collaborative Writing -- 7. Computer Mediated Collaborative Writing -- 8. Conclusion: Pedagogical Implications and Research Directions -- References -- Author Index -- Subject Index