Marcus Rediker is Professor of History at the University of Pittsburgh and author of The Slave Ship: A Human History. Cassandra Pybus is Research Professor of History at the University of Sydney, Australia, and author of Epic Journeys of Freedom: Runaway Slaves of the American Revolution and Their Global Question for Liberty. Emma Christopher is an Australian Research Council Fellow at the University of Sydney, Australia, and author of Slave Ship Sailors and Their Captive Cargos, 1730-1807.