Book of the history of Baghdad, a book written by the scholar Ahmed bin Ali bin Thabit, known as Al -Khatib Al -Baghdadi, a Muslim Arab historian, and a thousand historians after him books similar to this book. The book included more than 7831 translations of the life of scholars, thinkers, notables Many benefits have become a large book, and it is printed in libraries in several prints in 14 volumes, and the book has its importance in terms of scientific and culturally as it shows the teaching methods and curricula of study for scholars of Baghdad, in addition to clarifying the activity of scientists in Islamic cities at that time. It is a book that also includes a history of books written in the history of Baghdad.