Frontmatter -- Contents -- Tables and Figures -- 1. Introduction -- 2. Self and Identity in Adolescence: A Relational Perspective -- 3. Self and Identity in Foreign Language Learning -- 4. A Quadripolar Model of Identity in Adolescent Foreign Language Learning -- 5. Participants' Self Systems in Four Relational Contexts -- 6. Self Perceptions and Identity Display in Learning English as a Foreign Language -- 7. Of Students and Teachers -- 8. Drawing the Line: Evaluation and Implications -- Appendix A: The L2 Quadripolar Identity Questionnaire -- Appendix B: The L2 Quadripolar Identity Questionnaire with Item Numbers -- Appendix C: Questionnaire Scales with Item Numbers -- Appendix D: Interview guide - Themes Covered, with Examples of Questions and Prompts -- Appendix E: Self System Graphical Representations and Vignettes -- Appendix F: Interviewee Profiles -- Glossary -- References -- Subject Index -- Author Index -- Country Index