Book Title: Al-Durr Al-Masun fi Ulum Al-Kitab Al-Maknun Authored by: Ahmad bin Yusuf, known as Al-Simin Al-Halabi (d. 756 AH) Edited by: Dr. Ahmad Muhammad Al-Kharrat Edition: First: 1406 AH Number of Volumes: 2 Al-Durr Al-Masun fi Ulum Al-Kitab Al-Maknun is one of the most important and comprehensive works on the grammar of the Holy Quran and its sciences. It was authored by the grammarian and exegete Abu Al-Abbas, Shihab Al-Din, Ahmad bin Yusuf bin Abd Al-Dayim, famously known as Al-Simin Al-Halabi (died 756 AH), who was a student of the Imam of Grammarians, Abu Hayyan Al-Andalusi. This book is considered a comprehensive scientific encyclopedia, not limited to grammar alone, but combining various sciences that serve the Quranic text. Publisher: Dar Al-Qalam 1986