The Earth is riven by dangerous and shifting faultlines. Since the previous edition of The World in Conflict, we have witnessed the apparent collapse of Isis in Syria and the reawakening of the Troubles in Ireland. Donald Trump first goaded and then mollified North Korea, the world's most enigmatic nuclear power, before provoking Iran into renewing its atomic ambitions. And alongside traditional warzones, a new set of global battle lines are being drawn across cyberspace. Join the veteran Economist journalist John Andrews on a tour of the ancient enmities and imminent collisions that define conflict in the twenty-first century. Region by region discover the causes, contexts, participants and likely outcomes of every globally significant violent struggle now underway. From drug cartels to cyber war, this is the indispensable guide for anyone who wants to understand our perilous world.