John Deyell is an independent researcher originally from the University of Wisconsin, Madison. A former visiting Professor at the Centre for Historical Studies, Jawaharlal Nehru University, New Delhi, he writes on the pre-modern monetary systems of the Indian Ocean world. Rila Mukherjee is Professor in the Department of History, School of Social Science, University of Hyderabad. A former Director of the Institut de Chandernagor, she is currently Chief Editor of the Asian Review of World Histories, and Series Editor of Cambridge’s Pasts and Futures.