Refinement of politeness is a book that specializes in the science of the hadith men, a prophet composed by Al -Hafiz Ibn Hajar Al -Asqalani, and this book is a brief book of a large book in the names of the six books of the books in the hadith and their conditions, composed by Al -Hafiz Abdul -Ghani Al -Maqdisi Al -Hanbali and called it and deposited the sayings of the imams in the men of the two Sahih and the four years, relying on dates Al -Bukhari and the book of Ibn Abi Hatim.