The application of silicon reagents in organic synthesis has grown at an increasingly rapid rate over the last twenty years. This has been the result of truly international interest. Signifi- cant contributions have been made by Japanese, Russian, Ger- man, French, English, American, Swiss and Canadian as well as by chemists from many other countries. This monograph attempts to comprehensively cover this field. Some seventeen hundred articles reporting contributions by over eighteen hundred scientists are summarized. Nevertheless, I have no doubt that interesting and important work has been left out. I welcome comments about such results which should be in- cluded in any future editions of this monograph. I would like to thank Robert Damrauer who first stimulated my interest in organosilicon chemistry. In addition, I thank a number of chemists who have shared my enthusiasm for silicon chemistry over the years: A Chihi, M.E. Childs, R.A Felix, H. Firgo, T.Y. Gu, T.Llto, LN. Jung, K.E. Koenig, H.Okinoshima, M.M. Radcliffe, B.L Rosen, H.S.D. Soy sa, K.P. Steele, R.E. Swaim, D. Tzeng, P.B. Valkovich, AK. Will- ard, S. Wunderly, and present members of my research group.