The Precious Deed in Explanation of Fundamentals of religion is a manuscript classified within the sciences of hadith. It was written by: Hussein bin Ghannam Al-Najdi (Ibn Ghannam), who died in 1225 AH. It was reproduced on: 26 Rabi` al-Thani 1216 AH using the Naskh script. The number of sheets was 115, and the number of lines was 20, with a size of 19.5 x 15 cm. The manuscript begins with: (Praise be Allah, who created the heavens and the earth, and made the darkness and the light. Yet those who reject Faith hold (others) as equal, with their Guardian-Lord (. It ends with: (The time has come for the jewels of these pearl necklaces to organize their chains in a wire of perfection... Praise be to God who guided us to this, and we would not have been guided if it wasn’t for God to guide us. But none will keep it in remembrance except as Allah wills: He is the Lord of Righteousness, and the Lord of Forgiveness, the lord of grace and the acceptance of excuses, for He is capable of whatever He wills And with his servants, Latif, an expert) It has an important and well-groomed copy, tabulated and written in several colors black, red, green and yellow, many corrections came in the margins, and the first page of it is omitted and completed in a different font, the book was classified by order ofImam Abdul Aziz bin Saud and his son Saud as mentioned in the introduction.