The book is a part of the whole series of biographical details about the life style of Muslims at the Time of prophet Muhammad (SAA) and about his wives, daughters, companions. It also describes the time of Rashidun khalips, the Umayyads, and the ‘Abbasids , history of the Battle of Badr and the other historic events. Muhammad Ibn Sa’d is the author of this whole series. The name of this series is “Kitab At-Tabaqat-Al-Kabir and this is the second part of the whole series. In this series is about the people lived in Madinah after the companions (RA) and their life and times.