Group 1 - the alkali and coinage metals, J.L. Wardell; group 2 - the alkaline earths and zinc and its congeners, J.L. Wardell; boron with the exception of the carbaboranes, J.W. Wilson; carbaboranes, including their metal complexes, C.E. Housecroft; group 3 - aluminium, gallium, indium and thallium, K.C. Molloy; group 4 - the silicon group, D.A. Armitage; group 5 - arsenic, antimony and bismuth, J.L. Wardell; metal carbonyls, J.A. Timney; organometallic compounds containing metal-metal bonds, G. Hogarth; ligand substitution reactions of metal and organometal carbonyls with group 5 and 6 donor ligands, M.A. Beckett; complexes containing metal-carbon sigma-bonds of the groups scandium to manganese, including carbenes and carbynes, M.J. Winter; complexes containing metal-carbon sigma-bonds of the groups iron, cobalt and nickel, including carbenes and carbynes, M.J. Morris; hydrocarbon-metal pi-complexes, other than pi-cyclopentadienyl and pi-arene complexes, P.K. Baker; pi-cyclopentadienyl, pi-arene and related complexes, A.H. Wright; homogenous catalysis by transition metal complexes, S. Woodward; structures of organometallic compounds determined by diffraction methods, D.R. Russell.