Brigid O'Keeffe is Associate Professor of History at Brooklyn College, USA. She is the author of New Soviet Gypsies: Nationality, Performance, and Selfhood in the Early Soviet Union (2013).

Acknowledgements
List of Illustrations
A Note on the Text
Introduction
1. A Universal Language for a Globalizing World
2. Pen-Pals, Dreamers and Globetrotters
3. Bolshevik Tower of Babel
4. Comrades With(out) Borders
5. Language Revolutions and Their Discontents
Epilogue: The Death of Esperanto
Bibliography
Index