Rila Mukherjee is a professor, Department of History, University of Hyderabad, India. She works on spatial categories in the eastern Indian Ocean, especially in the northern Bay of Bengal, comprising the coasts of northern Odisha and West Bengal in India, littoral Bangladesh and Arakan. Her most recent publications are the co-edited Subversive Sovereigns Across the Sea: Indian Ocean Ports-of-Trade from Early Historic Times to Late Colonialism (2017); the book chapter ‘Silver-Links! Bagan-Bengal and Shadowy Metal Corridors: 9th to 13th Centuries’ in Yian, Miksic and Aung-Thwin (eds), Bagan and the World: Early Myanmar and its Global Connections (2018); and articles in Topoi, the International Journal of Maritime History, and Asian Review of World Histories. Radhika Seshan is a professor and the head of the Department of History, Savitribai Phule Pune University, India where she has worked since 1996. She is the author of Trade and Politics on the Coromandel Coast (2012) and Ideas and Institutions in Medieval India (2013). Her most recent publications are the edited volumes Narratives, Routes and Intersections in the Pre-Modern Asian World (2016) and Re-searching Transition in Indian History (co-edited with Shraddha Kumbhojkar, 2018).