"The Book of Al -Bakhaa is a book in which Abu Othman Amr bin Bahr Al -Jahiz wrote some of the images of miserliness in those who met and got acquainted with them in his own environment, especially in the town of Mero, the capital of Khorasan. He exposed their secrets and the secrets of their homes, and readers briefed on their various hadiths, and revealed their psychology and conditions. On its subject, hadiths and antiquities, the book is a scientific, literary, geographic, geographic, geographic encyclopedia. "