The book of the weak and the left, written by Al -Hafiz Abu Abdul Rahman Ahmed bin Shuaib, nicknamed the women who was born in the year 215 AH and the deceased in the year 303 AH, and it is a book attached to the book of the small weak of Bukhari in which the women gathered the narrators who were wounded and between their condition and attributed them in short. It is left or not with anything, lost, or a liar, and it is among the most important books that were classified in the wound and the modification that the modernists depend on the son of Hajar, Al -Dhahabi and Al -Albani ... It is a book that was classified as the arrangement of Arabic alphabet and its division into chapters.