Book Review: Gary Clyde Hufbauer, Jeffrey J. Schott and Kimberley Ann Elliott, Economic Sanctions Reconsidered (Second Edition); Volume I: History and Current Policy; Volume II: Supplemental Case Histories (Washington, DC: Institute for International Economics, 1990, 636 pp.,  28.60 pbk.) Deon Geldenhuys, Isolated States: A Comparative Analysis (Cambridge: Cambridge Studies in International Relations No. 15/Cambridge University Press, 1989, 764 pp.,  60.00 hbk.)