Boron atoms in transition metal clusters, C.E. Housecroft; organometallic ions and ion pairs, J.K. Kochi; from MHn to R2M=MR2 - analogies between the structure and bonding in the parent hydrides and multiply bonded silicon and germanium compounds, R.S. Grev; heterocycles containing elements bonds, K.C. Molloy; halogenoalkyl complexes of the transition metals, H.B. Friedrich and J.R. Moss; bulky or supra-cyclopentadienyl derivatives in organometallic chemistry, C. Janiak and H. Schumann.