Advances in Inorganic Chemistry presents timely and informative summaries of the current progress in a variety of subject areas within inorganic chemistry ranging from bio-inorganic to solid state studies. Thisacclaimed serial features reviews written by experts in the area and is an indispensable reference to advanced researchers. Each volume of Advances in Inorganic Chemistry contains an index, and each chapter is fully referenced.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.Science Citation Index Rates Advances in Inorganic Chemistry Third in Its Category These...volumes continue the tradition of representing timely summaries of the current state of understanding a wide variety of 'special topics'...These volumes provide much useful information and are quite well written. --JOURNAL OF THE AMERICAN CHEMICAL SOCIETY