Tim Marshallis a leading authority on foreign affairs with more than 30 years of reporting experience. He was diplomatic editor at Sky News, and before that was working for the BBC and LBC/IRN radio. He has reported from 40 countries and covered conflicts in Croatia, Bosnia, Macedonia, Kosovo, Afghanistan, Iraq, Lebanon, Syria and Israel. He is the author of the No. 1Sunday TimesbestsellersPrisoners of Geography: Ten Maps that Tell You Everything You Need to Know About Global PoliticsandThe Power of Geography: Ten Maps that Reveal the Future of Our World; the illustrated editionPrisoners of Geography: Our World Explained in Twelve Simple Maps, shortlisted for Waterstones Book of the Year; as well asDivided: Why We're Living in an Age of Walls; Worth Dying For: The Power and Politics of Flags; andShadowplay: Behind the Lines and Under Fire.