Richard J. A. Talbert is Research Professor of History at the University of North Carolina, Chapel Hill. He is the editor of the Barrington Atlas of the Greek and Roman World (2000). His other books include Rome's World: The Peutinger Map Reconsidered (Cambridge 2010), Roman Portable Sundials: The Empire in Your Hand (2017), Challenges of Mapping the Classical World (2019), World and Hour in Roman Minds (forthcoming), and a translation Plutarch: On Sparta (revised 2005).