Usul al-Nawazil, the second version of the book Fiqh al-Nawazil. The book contains three foundational research papers on the jurisprudence of contemporary Fiqh issues. It also includes a summary of the author's own book, "Watha'iq al-Nawazil," in which he collected 723 documents of such issues. This book is considered the foundational basis for "Watha'iq al-Nawazil," which serves as its practical application.

• Author: Muhammad bin Hussein al-Jizani
• Publisher: Dar Ibn al-Jawzi - Riyadh
• Edition: 1
• Year of Publication: 1439 AH
• Number of Pages: 703
• Number of Volumes: 1
• Binding: Hardcover
• Paper Type: Cream
• ISBN: 9786038222676