Edward Gibbon 
History of the Decline and Fall of the Roman Empire [PDF ebook] 

Passage through the Greek Turkish Warfare, Obstinacy of theent’ausiasm of the Crusades, ‘091 – 1153. Character and Mission ofst. Progress of thomai-ometans, The Attabeks of Syria, 1127 – 1145. ‘145 – 1174. Noureddin, . 1163 – 1669. Conquest of Egypt by the 1171. End of the Fatimite Caliphs, 1171 – 1193. Reign and Character of 1187 His Conquest ofthe And City 1188. The third Crusade, by sea. 1189 -1191. Siege of Acre, 1191, 1192. Richard of England in Palestine, 1198 His Treaty and Departtre.