Introduction. Solvation in action (A.A. Kornyshev, J. Ulstrup). Ion-Solvent and Ion-Ion Interaction Phenomena. Theories of solvated ion dynamics (J.B. Hubbard, P.G. Wolynes). Solvation effects in the excess properties of equilibrium and non-equilibrium ionic solutions (W. Ebeling, H. Krienke). Solvation Effects on Excess Electrons. Solvent effects in charge transfer processes (A.M. Kuznetsov et al.). The solvated electron (E.M. Itskovitch et al.). Excess electrons in nonpolar liquids (L. Nyikos, R. Schiller). Solvation Phenomena at Metal-Solution Interfaces. Solvation of a metal surface (A.A. Kornyshev). Solvation and interionic interactions at the metal-electrolyte solution interface (M.A. Vorotyntsev). Surface enhanced Raman scattering: physical and chemical aspects (A.G. Mal'shukov). Concentrated Ionic Systems. Ionic states in molten salts and concentrated electrolytes (P.V. Giaquinta, M.P. Tosi). Defect interactions in ionic solids (C.R.A. Catlow). Soliton aspects of ionic configurations and mobility in solids (J.K. Kjems). Macromolecular and Biological Systems. Solvation of proteins (J.L. Finney, H.F.J. Savage). Ionic solvation in DNA. Structural aspects (G.G. Malenkov). Magnetic resonance and macromolecule solvation dynamics (R.G. Bryant). Charge-medium interactions in biological charge transfer reactions (L.I. Krishtalik). Solvation effects on the transport of ions across cell membranes (D.G. Levitt). Applied Aspects of Solvation. Non-aqueous solutions for mineral and energy problems: Application of solvation phenomena (J. Avraamides, A.J. Parker). List of Keywords.