The book is eating: the motives of the Crusades: the popular campaign -the general campaign -the Boutros Nahak campaign. The occupation of Jerusalem and the establishment of a Crusader -Latin kingdom in it. The vigilance of the Islamic world and the coming of the second Crusader campaign. Restoring Edessa and the steadfastness of Damascus in the face of the Crusaders. The battle of Hittin and the retrieval of Jerusalem. The siege of Acre and the third Crusader campaign. The battle of Arsoff, the fall of the Lod and the repair of Ramla. The death of the divine leader - Salah al -Din al -Ayyubi - the Crusaders' occupation of Constantinople instead of Jerusalem. The siege of Damietta siege in 616 AH. The first Mansoura battle. The Sixth Crusader Campaign is the Jaffa Agreement and the delivery of Jerusalem to the Crusaders. Recover Jerusalem again at the hands of the good king Ayoub. Louis IX invades Egypt and the fall of Damietta. The apparent Baybars is the site of Ain Jalut. From the results of the Crusades. Crusades are an expression of the crossing of Islamic civilization to Europe. Christian apology for the Crusades in the modern era