Recent Developments in Tröger's Base Chemistry (M. Demeunynck, A. Tatibouët). Recent Advances in the Reaction of Metalated Aromatic Heterocycles with Carbonyl Compounds and their Imino Derivatives (P. Merino). Nucleophilic Substitution of C-Hydrogen on the Five-Membered Ring of Indoles (J.A. Joule). Three and Four-Membered Ring Systems. Three-membered ring systems (A. Padwa). Four-membered ring systems (J. Parrick, L.K. Mehta). Five-Membered Ring Systems. Thiophene & Se, Te analogs (E.T. Pelkey). Pyrroles and benzo derivatives (D.M. Ketcha). Furans and benzofurans (S. Greve, W. Friedrichsen). With more than one N atom (K. Turnbull). With N & S (Se) atoms (P.A. Bradley, D.J. Wilkins). With O & S (Se, Te) atoms (R.A. Aitken, N.J. Wilson). With O & N atoms (G.V. Boyd). Six-Membered Ring Systems. Pyridines and benzo derivatives (R.D. Larsen, I.W. Davies). Diazines and benzo derivatives (M.P. Groziak). Triazines, tetrazines and fused polyaza systems (C. Ochoa, P. Goya). With O and/or S atoms (J.D. Hepworth, B.M. Heron). Seven-Membered Rings (D.J. LeCount). Eight-Membered and Larger Rings (G.R. Newkome). Index.