The Battle of Democracy: Conflict, Consensus, and the Individual. By Keith Graham. Totowa, NJ: Barnes & Noble, 1986. 261p. $28.75. - Models of Democracy. By David Held. Stanford, CA: Stanford University Press, 1987. 321p. $35.00 cloth, $12.95 paper. - The Theory of Democracy Revisited. By Giovanni Sartori. 2 vols. Chatham, NJ: Chatham House, 1987. 542p. $40.00 cloth, $24.95 paper.