BOOK REVIEWS:Combinatorial Chemistry: Synthesis, Analysis, Screening. edited by Günther Jung. Silicon Chemistry. edited by Ulrich Schubert (Vienna Technical University, Austria). Green Chemistry: Theory and Practice. by Paul T. Anastas (U.S. Environmental Protection Agency, Washington, DC) and John C. Warner (University of Massachusetts at Boston). Soft and Fragile Matter: Nonequilibrium Dynamics, Metastability and Flow. edited by M. E. Cates and M. R. Evans (University of Edinburgh, U.K.). Oligosaccharides: Their Synthesis and Biological Roles. by Helen M. I. Osborn (University of Reading) and Tariq H. Khan (Enzacta Ltd.).