Only a selection of the contents is listed here. Hydrocarbon Transformations over Analogues and Derivatives of Zeolite Y (J. Dwyer et al.). Isomorphous Substitution in Zeolitic Frameworks: Procedures and Characterization (J.C. Vedrine). Introduction of Cations into Zeolites by Solid-State Reactions (H.G. Karge, H.K. Beyer). Zeolite-hosted Metals and Semiconductors as Advanced Materials (G. Schulz-Ekloff). Isomorphous Substitution in Zeolites: A Route for the Preparation of Novel Catalysts (G. Belussi, V. Fattore). Zeolite Synthesis with Metal Chelate Complexes (K.J. Balkus, Jr. et al.). On the Possibility of Generation of Brønsted Acidity by Silicon Incorporation in Very Large Pore AlPO4 Molecular Sieves (J.A. Martens et al.). Factors Affecting the Crystallization of Zeolite ZSM-48 (G. Giordano et al.). Structure and Photocorrosion of NaX Hosted Q-Size Metal Sulfide Particles (M. Wark et al.). Zn-Doped HZSM5 Catalysts for Propane Aromatization (M. Guisnet et al.). NO Decomposition on Cu-Incorporated A-Zeolites under the Reaction Condition of Excess Oxygen with a Small Amount of Hydrocarbons (T. Inui et al.). New Porous Materials from Layered Compounds (A. Clearfield et al.). Author Index. Subject Index.