(A selection). The future of shape selective catalysis (S.M. Csicsery). Pillared layered structures (PLS): From microporous to nano-phase materials (R. Szostak, C. Ingram). Powder X-ray diffraction and solid waste NMR techniques for zeolite structure determination (G.T. Kokotailo et al.). New aspects and trends in zeolite catalysis (J. Weitkamp et al.). Covalent interactions in zeolites: The influence of zeolite composition and structure on acid softness and hardness (A. Corma). Author index. Subject index.