"Usool as-Shashi ma'a Fusoolul Hawashi" is a book on the principles of Islamic Jurisprudence, written by Imam Abu Shuja' al-Asfahani (d. 1068 CE). This book is one of the most renowned and widely studied books in the Hanafi school of Islamic jurisprudence.
The book comprises of two parts. The first part, "Usool as-Shashi," covers the fundamental principles of Islamic Jurisprudence, including the sources of Islamic law, legal maxims, and the methodology of legal reasoning. The second part, "Fusoolul Hawashi," is a commentary on the first part, and includes further explanation, examples, and clarification of the principles discussed in the first part.
The book is considered to be a comprehensive guide for students of Islamic Jurisprudence and is widely used in Islamic seminaries around the world. The book has been published by various publishers, including Maktaba Al-Bushra, which is known for its high-quality publications of Islamic literature. The Maktaba Al-Bushra edition of "Usool as-Shashi ma'a Fusoolul Hawashi" includes clear Arabic text, as well as an easy-to-read English translation and footnotes to help readers better understand the text.