The argument of Breakout Nations is that the astonishingly rapid growth over the last decade of the world's celebrated emerging markets is coming to an end. China, in particular, will soon slow, but its place will not necessarily be taken by Brazil, Russia or India, all of which Ruchir Sharma shows have weaknesses and difficulties often overlooked in the inflated expectations and emerging markets mania of the past decade. The new 'breakout nations' will probably spring from the margins - even from the shadows. Sharma identifies which they are most likely to be, and why.