1. D.M.P. Mingos, J.E. McGrady, A. L. Rohl Moments of Inertia in Cluster and Coordination Compounds 2. M. Drillon, J. Darriet Progress in Polymetallic Exchange-Coupled Systems, Some Examples in Inorganic Chemistry 3. P. Zanello Stereochemical Aspects Associated with the Redox Behaviour of Heterometal Carbonyl Clusters 4. R. G. Denning Electronic Structure and Bonding in Actinyl Ions 5. M. Evain, R. Brec ANew Approach to Structural Description of Complex Polyhedra Containing Polychalcogenide Anions 6. E. Brese, M. O'Keeffe Crystal Chemistry of Inorganic Nitrides