BOOK REVIEWS: Topological Indices and Related Descriptors in QSAR and QSPR edited by James Devillers (Centre de Traitment de l'Information Scientifique) and Alexandru T. Balaban (Polytechnic University Bucharest). The Weak Hydrogen Bond in Structural Chemistry and Biology by Gautam R. Desiraju (University of Hyderabad) and Thomas Steiner (Freie Universität Berlin). Modelling Molecular Structures, Second Edition by Alan Hinchliffe (University of Manchester Institute of Science and Technology, U.K.). Stereoselective Biocatalysis edited by Ramesh N. Patel (Bristol-Myers Squibb Pharmaceutical Research Institute, New Brunswick, New Jersey). Chemical Thermodynamics: Basic Theory and Methods, Sixth Edition by Irving M. Klotz and Robert M. Rosenberg (Northwestern University).