Conservation in a Changing World. Based on a symposium held in London, September 1996. Conservation Biology, Volume 1. Edited by Georgina M Mace, Andrew Balmford, and, Joshua R Ginsberg. Published by Cambridge University Press, Cambridge and New York, in association with the Zoological Society of London. $80.00. xi + 308 p + 6 pl; ill.; index. ISBN: 0–521–63270–6 (hc); 0–521–63445–8 (pb). 1998.