Ali of Rei—His son Hassan Sabah—Hassan sent to study at Nishaboor—Meets there Omar Khiam and Nizam-al-Moolk—Agreement made by them—Hassan introduced by Nizam to Sultan Malek Shah—Obliged to leave the Court—Anecdote of him—His own account of his Conversion—Goes to Egypt—Returns to Persia—Makes himself Master of Alamoot.Description of Alamoot—Fruitless Attempts to recover it—Extension of the Ismaïlite Power—The Ismaïlites in Syria—Attempt on the Life of Aboo-Hard Issa—Treaty made with Sultan Sanjar—Death of Hassan—His Character.Hill Fort.
Chapter IV.