Selection of the Contents. Two-dimensional solid state NMR investigations of zeolite framework structures (C.A. Fyfe et al.). Strategies for zeolite synthesis by design (M.E. Davis). Modelling of structure and reactivity in zeolites (C.R.A. Catlow et al.). Geometry of the active sites in zeolites under working conditions (F. Fajula). Host-guest interactions in zeolite cavities (A. Zecchina et al.). Diffusion in zeolites and other microporous solids (D.M. Ruthven). Zeolites as the key matrix for superior deNOx catalysts (T. Inui). Zeolites as selective oxidation catalysts in the manufacture of fine chemicals (P. Ratnasamy). Author index. Subject index.