It is one of the most important hadith books written in explaining the Al -Tirmidhi Mosque. It was written by Muhammad bin Muhammad bin Ahmed bin Abdul Aziz bin Sayed Al -Nas. It is reported that the student of Ibn Sayyid Al -Nas Salah Al -Din Al -Safadi was the one who referred to Ibn Sayyid al -Nas by this name. "With the word" explanation "in Al -Sajaa