Greek Cavalry I. G. Spence: The Cavalry of Classical Greece. A Social and Military History with Particular Reference to Athens. Pp. xxxvii+346, 2 maps, 16 plates. Oxford: Clarendon Press, 1993. Cased. L. J. Worley: Hippeis. The Cavalry of Ancient Greece. (History and Warfare.) Pp. xiii+241, 27 figs. Boulder, San Francisco, Oxford: Westview Press, Inc., 1994. Cased, £24.95.