The book generally follows the standard layout of classical Fiqh manuals. It begins with the Book of Purification (Taharah) and moves through Prayer (Salah), Fasting (Sawm), Charity (Zakat), and Pilgrimage (Hajj) . It then expands into civil dealings, covering marriage, trade, and inheritance.
Now, the user might be interested in Islamic historical works from that period. I should check if this is a known historical document. But I don't recall any major Islamic texts from exactly 39 AH. It's possible that the user is referring to a work related to the early Islamic conquests or perhaps a compilation of sayings (Ahadith), but usually, Ahadith collections are from later periods, like the 8th-9th centuries. kitab al jawahirul lama 39ah pdf full