Umar Ibn Ibrahim al-Awsi Al-Ansari, also known as Ibn al-‘Adim, was a scholar and a civil servant in Mamluk Egypt in the late fourteenth and early fifteenth centuries. Before he died in 1408, he composed a manual on the art of warfare, called the Tafrij al-Kurun fi Tadbir al-Hurub. This work is divided up into twenty books, which deal with various topics, such as the qualities of generals and troops, the use of deception to avoid war, precautions to be taken when marching and setting up c...
