Description:Content: Photochemistry and photophysics of highly excited valence states of polyatomic molecules: nonalternant aromatics, thioketones, and metalloporphyrins / G. Burdzinski ... [et al.] -- Proton transfer reactions in the excited states / Haruo Shizuka and Seiji Tobita -- Photoreactivity of n,[pi]*-excited azoalkanes and ketones / Werner M. Nau and Uwe Pischel -- Photonucleophilic substitution reactions / Maurizio Fagnoni and Angelo Albini -- Mechanistic and synthetic aspects of SET-promoted photocyclization reactions of silicon substituted phthalimides / Ung Chan Yoon and Patrick S. Mariano -- Photoanimation with ammonia and amines / Masahide Yasuda ... [et al.] -- DNA-templated assembly of helical multichromophore aggregates / Bruce A. Armitage