Sharma. Un entrepôt de commerce medieval sur la côte du Ḥaḍramawt (Yémen, ca 980-1180). Edited by Axelle Rougeulle. xxii + 559 pages; illustrated throughout in colour and black & white. French text throughout. British Foundation for the Study of Arabia Monographs (formerly Society for Arabian Studies Monographs) 17. 2015. ISBN 9781784911942 (printed book), ISBN 9781784911959 (e-book). £19.00. The idea of the Swahili corridor has become familiar to those working along the East African coast. In its original conception (Horton 1987), it was the idea that indigenous Swahili merchants sailed along the coast, from Mozambique to Somalia, using the monsoon winds, thus establishing a degree of cultural unity along this coastal zone, visible both linguistically and in the material culture, especially locally produced ceramics, termed Tana/TIW. While early writers on the Swahili Coast pointed to connections with the Gulf (Chittick 1977), the hypothesis was mooted that the Swahili also connected with the coast of southern Arabia, and thus the Red Sea, and ultimately the Mediterranean world. High-value precious commodities, such as ivory, gold and crystal found their way found its way into Europe from the Fatimid period (late tenth century) onwards, from as far afield as Southern Africa.