Guidelines for Achieving High Accuracy in Isotope Dilution Mass Spectrometry (IDMS) Edited by Mike Sargent and Rita Harte (Laboratory of the Government Chemist, Teddington, U.K.) and Chris Harrington (De Montfort University, Leicester, U.K.). Royal Society of Chemistry (for the Laboratory of the Government Chemist): Cambridge. 2002. vi + 50 pp. $54.95. ISBN 0-85404-418-3.