Book Reviews : Oswaldo Albornoz Peralta Ecuador: Luces y sombras del liberalismo (Quito, Ecuador: Editorial El Duende, 1989) 196 pp. John D. Martz Politics and Petroleum in Ecuador (New Brunswick: Transaction Books, 1987) 345 pp. Magnus Mörner The Andean Past: Land, Societies, and Conflicts (New York: Columbia University Press, 1985) 300 pp. David W. Schodt Ecuador: An Andean Enigma (Boulder: Westview Press, 1987) 188 pp. Frank MacDonald Spindler Nineteenth-Century Ecuador: An Historical Introduction (Fairfax, VA: George Mason University Press, 1987) 285 pp. Mark J. Van Aken King of the Night: Juan José Flores and Ecuador, 1824-1864 (Berkeley: University of California Press, 1989) 382 pp