Preface. Evolution of Inorganic and Organometallic Photochemistry. Historical Perspectives and Commentary; A.W. Adamson. Intermolecular Energy and Electron Transfer Processes; V. Balzani, M. Maestri. Photocatalysis: Definitions and Classifications; H. Hennig, R. Billing, H. Knoll. Charge Transfer Excitation of Coordination Compounds. Generation of Reactive Intermediates; A. Vogler, H. Kunkely. Photoredox and Sensitization Processes involving Transition Metal Polypyridine Complexes; K. Kalyanasundaram. Intramolecular Energy and Electron Transfer in Polynuclear Complexes; F. Scandola, C.A. Bignozzi, M.T. Indelli. Photocatalysis: Reduction of CO2 and Water-Gas Shift Reaction catalysed by 2,2'-bipyridine or 1,10-phenanthroline Co(II), Ru(II), Re(I) and Ir(III) complexes; R. Ziessel. Metal Complexes as Photosensitizers in Photoelectrochemical Cells; M. Grätzel, K. Kalyanasundaram. Photosensitization by (Metallo)porphyrins: Formation and Photophysical Properties of Porphyrin Assemblies; A. Harriman. Photocatalytic and Photoredox Properties of Polyoxometalate Systems; C.L. Hill, C.M. Prosser-McCartha. Photocatalytic Transformations of Organic Substrates using INorganic Salts and Complexes; U. Kölle. Photocatalytic Reactions involving Metal Carbonyls; P.C. Ford, W. Boese, B. Lee, K.L. MacFarlane. Photocatalysis - C-H Activation; R.H. Crabtree. Electron Donor-Acceptor Interactions and Photoinduced Electron Transfer of Organometallic Compounds; T.M. Bockman, J.K. Kochi. Index.