J. Baldas, The Coordination Chemistry of Technetium. R.D. Verma, R.L. Kirchmeier, and J.M. Shreeve, Chemistry of Pentafluorosulfanyl Compounds. A.J. Downs and C.R. Pulham, The Hunting of the Gallium Hydrides.G.A. Fisher and N.C. Norman, The Structures of the Group 15 Element(III) Halides and Halogenoanions. R.J. Crutchley, Intervalence Charge Transfer and Electron Exchange Studies of Dinuclear Ruthenium Complexes. J. Clade, F. Frick, and M. Jansen, Recent Synthetic, Structural, Spectroscopic, and Theoretical Studies on Molecular Phosphorus Oxides and Oxide Sulfides. E.N. Baker, Structure and Reactivity of Transferrins. Subject Index. Contents of Recent Volumes.