Introduction to series - an editor's foreword, Albert Padwa; preface, Patrick S. Mariano; photoinduced electron transfer on irradiated semiconductor surfaces, Mary Anne Fox; thermal and photochemical activation of aromatic donors by electron transfer, Christian Amatore, et al; distance and angle effects on electron transfer rates in chemistry and biology, George L. McLendon and Anna Helms; electron transfer reactions followed by rapid bond cleavage - intra-ion pair electron transfer photoexcited cyanine borates and chemically initiated electron-exchange luminescence, Gary B. Schuster.