This Book al-Kaafi brings forth the various opinions in the Hanbalee Madhab accompanied by evidences. The author says that his aim was to present Imam Ahmad's opinions from various sources of his works and legacy and his intended purpose was not to produce something that is basic but also not to produce a work that is too complex. This text is not deprived of textual evidences nor principles of jurisprudence, it is a work that is considered complete. Printed on Yellow paper by Darul Ibn Hazm (Beirut) consist of 1070 pages.