Book Summary Book Name: Kitab Al-Umm. Author: Imam Muhammad ibn Idris Al-Shafi'i (150 - 204 AH). Researcher: Dr. Refaat Fawzi Abdel Mottaleb. Publisher: Dar Al-Nadwa Al-Alamiya Lil Nashr Wal Tawzeea (Riyadh) in cooperation with Dar Al-Wafa Lil Tibaa'a Wal Nashr Wal Tawzeea (Mansoura - Egypt). Edition and Printing Year: Second Edition (1425 AH - 2004 AD). Number of Volumes: 11 volumes. About it: "Kitab Al-Umm" is considered the greatest jurisprudential reference and the origins of the Shafi'i school of thought, where Imam Al-Shafi'i dictated his jurisprudence in his final stage in Egypt (the new school of thought). The book addresses jurisprudential issues supported by evidence and jurisprudential and fundamentalist arguments. Its volumes begin with the book "Al-Risala" on the principles of jurisprudence, then progress through the chapters of worship and transactions, marriage and inheritances, crimes and judgments, and the اختلاف الحديث (Ikhtilaf Al-Hadith), culminating in the volume of general indexes.