The crown is a book by Abu Muhammad al -Hasan bin Ahmed al -Hamdani, which the researchers consider an encyclopedia in Yemeni civilization before Islam, as the book consists of ten parts that combine news sciences, antiquities, genealogy and language. Ali bin Yusuf al -Qafti said about him in his book (Al -Rawaa News): "It is a great and beautiful book that is abundant.

The crown is a book by Abu Muhammad al -Hasan bin Ahmed al -Hamdani, which the researchers consider an encyclopedia in Yemeni civilization before Islam, as the book consists of ten parts that combine news sciences, antiquities, genealogy and language. Ali bin Yusuf al -Qafti said about him in his book (Al -Rawaa News): "It is a great and beautiful book that is abundant.

The crown is a book by Abu Muhammad al -Hasan bin Ahmed al -Hamdani, which the researchers consider an encyclopedia in Yemeni civilization before Islam, as the book consists of ten parts that combine news sciences, antiquities, genealogy and language. Ali bin Yusuf al -Qafti said about him in his book (Al -Rawaa News): "It is a great and beautiful book that is abundant.