Waterson James. Sacred Swords: Jihad in the Holy Land, 1097-1291

Pen and Sword, 2010. — 288 p.Using primarily Muslim sources, 'Sacred Swords' reconstructs the politics of the Levant on the eve of the First Crusade and places it in the wider context of the Muslim world of the period. This was a realm where war with the Crusaders was only one part of the military and political endeavours of a Muslim prince of the Levant.