P ETERS , K. E., W ALTERS , C. C. & M OLDOWAN , J. M. 2005. The Biomarker Guide. Volume 1: Biomarkers and Isotopes in the Environment and Human History. Volume 2: Biomarkers and Isotopes in Petroleum Exploration and Earth History. Second Edition. (First edition published 1993 by Chevron Texaco.) 1132 pp. total. Cambridge, New York, Melborne: Cambridge University Press. Price £150.00, US $250.00 (hard covers). ISBN 0 521 83763 4

PETERS, K. E., WALTERS, C. C. & MOLDOWAN, J. M. 2005. The Biomarker Guide. Volume 1: Biomarkers and Isotopes in the Environment and Human History. Volume 2: Biomarkers and Isotopes in Petroleum Exploration and Earth History. Second Edition. (First edition published 1993 by Chevron Texaco.) 1132 pp. total. Cambridge, New York, Melborne: Cambridge University Press. Price £150.00, US $250.00 (hard covers). ISBN 0 521 83763 4 - Volume 143 Issue 2