Hydrolysis in Drug and Prodrug Metabolism: Chemistry, Biochemistry, and Enzymology By Bernard Testa (University of Lausanne, Switzerland) and Joachim M. Mayer (deceased). Verlag Helvetica Chimica Acta: Zurich and Wiley-VCH GmbH & Co. KGaA: Weinheim, Germany. 2003. xx + 780 pp. $215.00. ISBN 3-906390-25-X.