TOM HOLLAND is the author of Rubicon: The Triumph and Tragedy of the Roman Republic, which won the Hessell-Tiltman Prize for History and was shortlisted for the Samuel Johnson Prize. Persian Fire, his history of the Graeco-Persian wars, won the Anglo-Hellenic League's Runciman Award in 2006. His most recent book, In the Shadow of the Sword, describes the collapse of Roman and Persian power in the Near East, and the emergence of Islam. He has adapted Homer, Herodotus, Thucydides and Virgil for the BBC, and is the presenter of BBC Radio 4's Making History. In 2007, he was the winner of the Classical Association Prize awarded to 'the individual who has done most to promote the study of the language, literature and civilisation of Ancient Greece and Rome'. He served two years as the Chair of the Society of Authors 2009-11. PAUL CARTLEDGE is the inaugural A. G. Leventis Professor of Greek Culture at the University of Cambridge. His numerous books include Sparta and Lakonia: A Regional History 1300-362 BC; The Greeks: A Portrait of Self and Others; Thermopylae: The Battle That Changed the World; Ancient Greece. A Very Short Introduction; and After Thermopylae: The Oath of Plataea and the End of the Graeco-Persian Wars. He is an Honorary Citizen of Sparta, Greece and holds the Gold Cross of the Order of Honour conferred by the President of the Hellenic Republic.