Description:Content: Mathematical cluster chemistry / R.L. Johnston -- Metal-metal interactions in transition metal clusters with n-doner ligands / Z. Lin -- Electron count versus structural arrangement in clusters based on a cubic transition metal core with bridging main group elements / J.-F. Halet -- Metallaboranes / T.P. Fehlner -- Clusters with interstitial atoms from the p-block: How do Wade's rules handle them? / C.E. Housecroft -- Diverse naked clusters of the heavy main-group elements. Electronic regularities and analogies / J.D. Corbett -- Author index: volumes 1-87