Gwyn Campbell, Canada Research Chair in Indian Ocean World History at McGill University, is the author and editor of many works, including Abolition and Its Aftermath in Indian Ocean Africa and Asia and An Economic History of Imperial Madagascar. Suzanne Miers is professor emerita of history at Ohio University. She is the author of Slavery in the Twentieth Century and coeditor of The End of Slavery and other books. Joseph C. Miller is the T. Cary Johnson, Jr. Professor of history at the University of Virginia. He is the author of Kings and Kinsmen, Way of Death, and works on the world history of slavery.