I.B. Tauris in association with the Institute of Ismaili StudiesThe Fatimid period was the golden age of Ismaili thought and literature, when the Shi'ite Ismaili Imams ruled over the vast areas of the Muslim world as the Fatimid caliphs and the Ismailis made important contributions to Islamic civilization. In this book, Heinz Halm investigates the intellectual traditions that developed among the I...