Content: cis-trans photoisomerization of stilbenes and stilbene-like molecules / Helmut Go?rner and Hans Jochen Kuhn — AFM and STM in photochemistry including photon tunneling / Gerd Kaupp — Photophysical and photochemical processes of semiconductor nanoclusters / Ying Wang — The question of artificial photosynthesis of ammonia on hetergenous catalysts / Julian A. Davies, David L. Boucher, and Jimmie G. Edwards