Book Review: Margot Light and A.J.R. Groom (eds.), International Relations: Handbook of Current Theory (London: Frances Pinter, 1985, 245pp., £18.50 hbk.. £8.95 pbk.). Moorhead Wright (ed.), Rights and Obligations in North-South Relations: Ethical Dimensions of Global Problems (London: Macmillan, 1986. 196pp., £25.00)