The Complete Fauna of Iran by Eskandar Firouz (2005), xiv + 322 pp., I.B. Tauris, New York, USA. ISBN 1 85043 946 X (hbk), USD 99.00. Handbook of Biodiversity Methods: Survey, Evaluation and Monitoring edited by David Hill, Matthew Fasham, Graham Tucker, Michael Shewry & Philip Shaw (2005), xiii + 573 pp., Cambridge University Press, Cambridge, UK. ISBN 0521823684 (hbk), GBP 80.00/USD 140.00. Techniques for Wildlife Investigations and Management, 6th edition edited by Clait E. Braun (2005), xiv + 974 pp., Port City Press, Baltimore, Maryland, USA. ISBN 033564155 (hbk), USD 75.00 (outside USA USD 95.00). World Atlas of Great Apes and their Conservation edited by Julian Caldecott & Lera Miles (2005), 456 pp., The University of California Press, Berkeley, USA. ISBN 0520246330 (hbk), GBP 29.95.