Out of the Mountains: The Coming Age of the Urban GuerrillaIn his third book, David Kilcullen takes us out of the mountainsaway from the remote, rural guerrilla warfare of Afghanistan, and into the marginalised slums and complex security threats of the world's coastal cities, where almost 75 per cent of us will be living by mid century. Scrutinising major trendspopulation growth, coastal urbanisation, and increasing digital connectivityhe projects a future of feral cities, urban systems under stress, as well