Al Farîd Fî Sharh Kitâb At-Tawhîd, by Al Hâfiz Ibn Rajab Al Hanbalî: Explanation of Shaykh ᶜAbd Ar-Rahmân Ibn Nâsir Al Barrâk - Original title in Arabic: الفريد في شرح كتاب التوحيد

This book "Al Farîd Fî Sharh Kitâb At-Tawhîd" is the explanation of an epistle entitled "Kitâb At-Tawhîd" (the book of uniqueness) or also named "Kalimatou Al Ikhlâs" (The word of uniqueness ) of Al Hâfiz ibn Rajab, who was one of the great scholars of Islam.

He approached in this one, the direction of the attestation of faith, its conditions, its merits, what it implies as works and the repercussion that this one has on the Muslim on the level of adoration and spirituality. Its commentator, ᶜAbd Ar-Rahmân Ibn Nâsir Al Barrâk, who is one of the great contemporary scholars, who studied more than fifty years with Ibn Bâz r, explained this work and answered the many ambiguities linked to the misunderstanding of this that the attestation of faith implies as acts and beliefs. This is one of the beneficial, rich works, ending with a series of questions & answers around the subject addressed by the author