Between the ninth and the fifteenth centuries, Central Asia was a major political, economic and cultural hub on the Eurasian continent. In the first half of the thirteenth century it was also the pre-eminent centre of power in the largest land-based empire the world has ever seen. This third volume of Christoph Baumer's extensively praised and lavishly illustrated new history of the region is above all a story of invasion, when tumultuous and often...