Wendy Ayres-Bennett is Professor of French Philology and Linguistics at the University of Cambridge. She specializes in the history of French, the history of linguistic thought and language policy, and is co-editor of The Cambridge Handbook of Language Standardization (2021). Linda Fisher is Professor of Languages Education at the University of Cambridge. She researches language learning, multilingual identity, teacher education and the academic and social integration of migrant learners.

• 1. Towards interdisciplinarity in multilingual identity research: Differing perspectives and common ground Wendy Ayres-Bennett and Linda Fisher; Part I. Situated Multilingualism and Identity: 2. 'Every line is a lie': The geographical and cognitive mapping of multilingualism and identity John E. Joseph; 3. Beyond 'narrating the nation': Cultural producers and multilingualism in wartime Ukraine Rory Finnin and Ivan Kozachenko; 4. Metrolingual practices and distributed identities: People, places, things and languages Alastair Pennycook and Emi Otsuji; 5. Migrants' identities in multilingual cities: Plurilingualism as transformative social asset Cécile Sabatier Bullock; 6. Indexicalities in the multilingual city: Listeners' perceptions of urban vernacular French Janice Carruthers and Daniel McAuley; 7. Multilingualism and identity in Ningbo, China: A case study Hui Zhao; Part II. Multilingual Identity Practices: 8. Decolonizing languages in rural settings: Towards equatorial epistemologies Alison Phipps; 9. Seeking methodological rigour in language and identity research: Applying a version of positioning theory to a research interview excerpt David Block; 10. Translation, identity and translanguaging: Perspectives from a global literacy initiative Liam Doherty, Bonny Norton and Espen Stranger-Johannessen; 11. The complexity of identities: Insights from EMI educators' multilingual identities Sarah Mercer and Kyle Read Talbot; 12. Narrating heterogeneous identities in multilingual communities Sabina Perrino and Stanton Wortham; Part III. Multilingual Identity And Investment: 13. Multilingualism(s), globalization, and identity: Learning 'Chinese' as an additional language Patricia A. Duff; 14. Who are the multilinguals?: Pupils' definitions, self-perceptions and the public debate Asta Haukas; 15. Multilingual identity construction through participative reflective practice in the languages classroom Angela Gayton and Linda Fisher; 16. Young children's language attitudes with implications for identity in a US dual-language immersion classroom Alison L. Bailey; 17. Language, identity and empowerment in endangered language contexts: Māori and guernesiais Julia Sallabank and Jeanette King; 18. Afterword: The complementarity of multilingualist and 4T approaches John E. Joseph.

'… a very valuable volume, shedding light on both multilingualism and identity from a range of perspectives and suggesting paradigm shifts while showing how to achieve those working interdisciplinarily (and multilingually).' Victoria Beatrix Fendel, Linguist