edited by D I Olive and P C West, Cambridge University Press ISBN 0 521 641158 6 (hbk £45/$69.95).
A collection of lectures given in a six-month programme at the Newton Institute in Cambridge, with an introduction and guide by the editors. The contributors are M K Gaillard, B Zumino, J Gauntlett, T Eguchi, G W Gibbons, A Sen, C Bachas, D I Olive and P C West.
