Sharh-i Usul al-Kafi (Commentary upon the Usul al-kafi) , bab of  Fardh al-ilm ,  Volume 2
 

Author: Sadr al-Mute'allihin Shirazi
Edited and annotated by:
Seyyed Mahdi Raja'i , Professor Seyyed Muhammed Khamenei (supervision)               

Language: Arabic  Publication date: 2006

Price: hardcover €42 ,glossy cover €32       pages: 628          

ISBN: 978-600-5101-6