The Royal Anecdotes and the Youssefia Al -Youssoufa, a book written by Abu Al -Mahasin Bahaa Al -Din Bin Shaddad Al -Asadi Al -Musli, talks about the biography of Salah al -Din al -Ayyubi, located in an introduction paved the way for the topic His conditions and conquests on its dates, then the book ended with the disease and death of Salah al -Din al -Ayyubi.