Since Alfred Werner formulated his coordination theory just over a hundred years ago, the complex chemistry of transition metals has rapidly evolved into one of the most important research areas in inorganic chemistry. The diversity of coordination chemistry is already hinted at by the variability of the compounds, which range from small molecules like hexacarbonylchromium to metalloenzymes. This textbook is aimed at students in their main studies. All important aspects of coordination chemistry are covered, including ligand field theory, bonding theory, the properties, reactivity, and structures of complexes, reaction mechanisms, and spectroscopic investigation methods. Gain insight into this fascinating field from its beginnings to the latest developments.