The Pillars of Islam, was the culmination of Nu'man's efforts in the field of jurisprudence for more than thirty years. It was commissioned by the Fatimid Caliph al Mu'izz-Din Allah and was officially promulgated as the state code. The judicial and legal system constructed in The Pillars, both for the use of the state as well as the Isma'ili community is, therefore, unique, and Nu'man is rightly considered as its founder. The Pillars is considered...