Horn and Crescent: Cultural Change and Traditional Islam on the East African Coast, 800 1900In this first major historical study of Islam among the Swahili, Randall Pouwels shows how Islam and other aspects of coastal civilization have evolved since about AD 1000 as an organic whole. Coastal Africans, he argues, simply adopted Islam as the spiritual vehicle best suited to their expanding intellectual needs and to meeting the opportunities presented by their physical and cultural environment. The culture and religion that developed were