Spin Crossover in Transition Metal Compounds III. Topics in Current Chemistry, 235 Edited by Philipp Gütlich (Johannes Gutenberg-Universität, Mainz) and Harold A. Goodwin (University of New South Wales). Springer-Verlag: Berlin, Heidelberg. 2004. xiv + 268 pp. $259.00. ISBN 3-540-40395-7.