Exploitation and conservation: Conserving Bird Biodiversity edited by Ken Norris and Deborah J. Pain. Cambridge University Press, 2002. £27.95, pbk (337 pages) ISBN 0521789494 Conservation of Exploited Species edited by John D. Reynolds, Georgina M. Mace, Kent H. Redford and John G. Robinson. Cambridge University Press, 2001. £29.95, pbk (524 pages) ISBN 0521787335