This is the first book in English to provide a comprehensive account of the rise and fall of the Almoravids and the Almohads, the two most important Berber dynasties of the medieval Islamic west, an area that encompassed southern Spain and Portugal, Morocco, Algeria and Tunisia. The Sanhaja Almoravids emerged from the Sahara in the 1050s to conquer vast territories and halt the Christian advance in Iberia. They were replaced a century later by their rivals, the Almohads, supported by the Masmuda Berbers of the High Atlas. Although both have often been seen as uncouth, religiously intolerant...