Al-Mustansir concluded a peace agreement to end the Eighth Crusade launched by Louis IX of France in 1270.

Other aspects of the book involve the training and management of falcons, and other techniques utilized around his estate in Bizerte.

Hugh III of Cyprus, nominal king of Jerusalem, landed in Acre to defend that city, while Baibars marched as far north as Armenia, which was at that time under Mongol control.

Much of the army became sick due to poor drinking water, and Louis himself died from a "flux in the stomach", one day after the arrival of Charles.

[1] According to Ibn Khaldun the Hafsids maintained friendly relations with the Kanem–Bornu Empire and in 1257 the ruler of Kanem sent Al-Mustansir a giraffe as a diplomatic present.