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. Their secrets and the secrets of their homes, and readers briefed their various hadiths, and revealed their psychology and conditions. Al -Bakhla Book is scientific importance, as it reveals to us the souls of human beings, their natures and behavior, as well as containing many names of flags, celebrities, and mastery, as well as the names of countries and places and the characteristics of their people and many verses of rare poetry and useful in their subject and hadiths and monuments.