Book Review of Ribozymes and RNA Catalysis Ribozymes and RNA Catalysis . Edited by David M. J. Lilley (University of Dundee, U.K.) and Fritz Eckstein (Max-Planck-Institut for Experimental Medicine, Göttingen, Germany). Royal Society of Chemistry : Cambridge . 2008. xx + 318 pp. $169.00. ISBN 978-0-85404-253-1 .