Wound and modification. A book classified by Al -Hafiz Ibn Abi Hatim, in which he spoke about the class of narrators, their classes and the amounts of their cases and the difference of their degrees to know who was in the status of criticism, the sacrifice, the piety and the search for men and their knowledge of them - and these are the people of recommendation, modification and wound, and he knows who among them was fair in themselves from the people Hadith and memorization and mastery in