Bertold Spuler. The Mongols in History. Translated by Geoffrey Wheeler. New York: Praeger Publishers. 1971. Pp. ix, 166. $8.50, J. J. Saunders. The History of the Mongol Conquests. New York: Barnes and Noble. 1971. Pp. xix, 275. $10.00 and Bertold Spuler. History of the Mongols: Based on Eastern and Western Accounts of the Thirteenth and Fourteenth Centuries. Translated from the German by Helga and Stuart Drummond. (The Islamic World. Published under the auspices of the Near Eastern Center, University of California, Los Angeles.) Berkeley and Los Angeles: University of California Press. 1972. Pp. x, 221. $8.00