This monumental two-volume work, 'The Separator Between Truth and Falsehood: Glories of Qahtan and Yemen,' is a pivotal historical text from the 5th Hijri century. Despite its author remaining unknown, the book offers an invaluable deep dive into the rich heritage, legendary achievements, and genealogical lines of the ancient Qahtan and Yemenite peoples. It meticulously distinguishes between historical fact and popular narratives, aiming to present an accurate account of their contributions and significance in Islamic history and Arab culture. A crucial resource for scholars of early Islamic history and Arab genealogy.