This is a precious treatise authored by Imam Abu al-Husain Muhammad bin Muhammad bin Husain al-Fara’ al-Hanbali al-Baghdadi, son of the famous scholar and judge, al-Qadhi Abu Ya`la. This treatise, despite its being brief, is of great benefit and demonstrates the fact that the author believed in the `aqidah of the pious predecessors of Muslims. This booklet contains ample description of the Islamic Faith, Eman, supported by proof and evidence.