Activating and Directive Effects of Silicon (A. Bassindale & P. Taylor).The Photochemistry of Organosilicon Compounds (A. Brook).Trivalent Silyl Ions (J. Lambert & W. Schulz).Multiple Bonds to Silicon (G. Raabe & J. Michl).Bioorganosilicon Chemistry (R. Tacke & H. Linoh).Polysilanes (R. West).Hypervalent Silicon Compounds (R. Corriu & J. Young).Siloxane Polymers and Copolymers (T. Kendrick, et al.).Organosilicon Derivatives of Phosphorus, Arsenic, Antimony and Bismuth (D. Armitage).Chemistry of Compounds with Silicon-Sulphur, Silicon-Selenium, and Silicon-Tellurium Bonds (D. Armitage).Transition-Metal Silyl Derivatives (T. Tilley).The Hydrosilylation Reaction (I. Ojima).Author Index.Subject Index.