1876. Osborn, an English officer, employed his leisure time to draw up brief historical sketches of the races (Indian) from which the native army is chiefly recruited. His objective was to provide young officers with the knowledge needed to better understand the men they had to command in the field and in quarters. Contents: Part I. Islam: Muhammad at Mekka; Muhammad at Medina; The Pilgrimage of Farewell; Ali and His Sons; The Struggle for Empire. Part II. The Fatimides: The Shia; The Arab and the Berber; The Rise of the Fatimides; The Conquest of Egypt. Part III. The Khalifs of the House of Ommaya: The Arabs before Islam; The Revolt of Yezid Ibn Mouhalleb; The Decline of the Ommayas; The Abbasides; and The Fall of the Ommayas.