Book Summary Book Name: Pure Religion. Author: Sayyid Muhammad Siddiq Hassan Al-Qanuji Al-Bukhari (died 1253 AH). Publisher: Dar Al-Kutub Al-Ilmiyah (Beirut - Lebanon). Verification and Investigation: Muhammad Salem Hashem. Number of Volumes: 4 volumes. Book Edition: 1415 - 1995 About it: An encyclopedic book that deals with issues of creed, monotheism, and following, with a discussion of polytheism and innovations and a warning against them, relying on evidence from the Book, the Sunnah, and the اثر of the predecessors.