The release of the carpels in the news of Bani Ayoub is a book in the history and news of the Ayyubid state since its resurrection, in which the author, Abu Abdullah Muhammad bin Salem bin Nasrallah Al -Mazni Al -Tamimi Al -Hamwi Al -Shafi'i, known as Ibn Wasel, said the news of the sultans of Bani Ayoub, and the sentence of their merits and their virtues.