Frontmatter -- Contents -- Acknowledgements -- 1. Introduction -- 2. Heritage-Language Maintenance and Multilingual Development in the Teenage Years -- 3. Multilingual Sound System Development During Adolescence -- 4. Multilingual Word and Meaning Development During Adolescence -- 5. Multilingual Word- and Sentence-Structure Development During Adolescence -- 6. The Development of Multilingual Knowledge and Usage During Adolescence -- 7. Multilingual Literacies Development During Adolescence -- 8. Developing Multiple Identities During Adolescence -- 9. Multilingual Childrearing and Family Welfare -- 10. Pulling It Together: Concluding Thoughts -- Appendix: Examples of Standardised Language Assessments -- Glossary -- Author Index -- Subject Index