Frontmatter -- Contents -- Preface and Acknowledgements -- 1. Additional Language Learning in a Classroom Community of Practice -- 2. Conversation Analysis as a Method for Understanding Language Learning -- 3. Opening Dyadic Task Interactions -- 4. Story Tellings in Dyadic Task Interactions -- 5. Disengagements from Dyadic Task Interactions -- 6. Conclusions -- Appendix: Transcription Conventions -- Notes -- References -- Index