This book is by Imam Al -Hafiz Abi Al -Hassan Al -Darqutni, who has ended with the science of influence and knowledge of the explanation of the hadith, the names of men and the conditions of the narrators, "A busy book in which he collected the texts mentioned in the Book of God Almighty, and the hadiths of the Prophet, may God bless him and grant him peace, related to the vision of Al -Bari Jal and Alla and some matters of the hereafter. .