books.google.com - In Islamic law the world was made up of the House of Islam and the House of War with the Ottoman Sultan--the perceived successor to the Caliphs--supreme ruler of the Islamic world. However, Suraiya Faroqhi demonstrates that there was no iron curtain between the Ottoman and other worlds but rather a long-established...http://books.google.com/books/about/The_Ottoman_Empire_and_the_World_Around.html?id=Fy-C2gHkpecC&utm_source=gb-gplus-shareThe Ottoman Empire and the World Around It