Karel Arnaut is Associate Professor and Research Coordinator at the Interculturalism, Migration and Minorities Research Centre (IMMRC), Leuven University, Belgium.

Martha Sif Karrebæk is Associate Professor in the Department of Nordic Studies and Linguistics, University of Copenhagen, Denmark.

Massimiliano Spotti is Assistant Professor in the Department of Culture Studies and Deputy Director of Babylon, Center for the Study of Superdiversity at Tilburg University, the Netherlands.

Jan Blommaert is Professor in the Department of Culture Studies and Director of Babylon, Center for the Study of Superdiversity at Tilburg University, the Netherlands.

Through case studies of language practices in spaces understood as inherently translocal and multi-layered (classrooms and schools, youth spaces, mercantile spaces and nation-states), this book explores the relevance of superdiversity for the social and human sciences and positions it as a research perspective in sociolinguistics and beyond.