Susan P. Mattern is Professor of History at the University of Georgia in Athens, Georgia. She is the author of a number of books on the ancient world, including Rome and the Enemy: Imperial Strategy in the Principate (1999), Galen and the Rhetoric of Healing (2008), and (as co-author) The Ancient Mediterranean World from the Stone Age to A.D. 600 (2004, also published by Oxford University Press). Aside from her professional interests in classical history, she enjoys rock climbing and yoga, and lives in Athens, Georgia with her two children.