7 books • 5 series
History of the Middle East
The Arabs
Der Islam
The Fatimids and Their Traditions of Learning (Ismaili Heritage)
The Empire of the Mahdi (Handbook of Oriental Studies. Section 1 The Near and Middle East, #26)
Shi'a Islam (Princeton series on the Middle East)
Shi'Ism (The New Edinburgh Islamic Surveys) (Islamic Surveys, v. 18)