The life of  ‘Ali ibn Abi Talib, fourth caliph of early Islam and fountainhead of Shi‘ite and Sufi lineages, ‘is both inspirational and controversial: intrinsically inspirational and extrinsically controversial.’ These words set the tone for what is a detailed and penetrating view of the figure of Imam ‘Ali on various planes, the spiritual and ethical, the individual, the political and social. The author draws a unique portrait in which the powerful spiritual undercurrents of early Islamic history can be discerned at play, and where the sanctified heart of the Imam is revealed as a fulcrum of the harmony between the most diverse and even divergent tendencies....