Contents: The Geometry of the Space of Fields in Yang-Mills Theory (Claude-M Viallet); A Survey of String and Superstring Theories (J G Taylor); Technology of Multiloop Calculations for Closed Bosonic Strings (R Ramachandran); Group Structure on Noncommutative Spaces (S L Woronowicz); Counterterms for Supersymmetric Sigma-Models (C N Pope, M F Sohnius and K S Stelle); Quantised Flux-Tubes in Einstein-Maxwell Theory and Non-Compact Intemalspaces (G W Gibbons); Ten Dimensional Supersymmetric Yang-Mills Theory: Another Example of Higher Conservation Laws (M Forger and M Jacques); Composite Models from Gravity and Supergravity with Hidden Supersymmetry (J Lukierski); and other papers