The Caliph and the Imam

No sectarian division has had a more momentous impact than that between the two dominant branches of Islam. Widely considered the world's leading expert on the subject, Toby Matthiesen offers the full story of the Sunni-Shia split, delving down to its roots in the early days of Islam and following it to the present day and its effect on current events not just in the Middle East but globally.