This issue of Zeitschrift fUr Physik D contains papers which were presented at the 5th International Symposium on Small Particles and Inorganic Clusters. ISSPIC5 was held at the University of Konstanz, Germany, from September 10 to 14, 1990. There were 33 invited talks, and 295 papers were contributed. 14 particularly interesting papers had been selected by the International Advisory Board: they were presented during one of the regular sessions. In addition, two last-minute contributions, describing break throughs in the synthesis and characterization of size-selected fullerene carbon...