Preface. S. Szymanski, Proton Tunnelling Effects in Metal Hydride NMR. N. Asakawa, T. Kameda, S. Kuroki, H. Kurosu, S. Ando, I. Ando, and A. Shoji, Structural Studies of Hydrogen-Bonded Peptides and Polypeptides by Solid State NMR. W.S. Price, NMR Imaging. J. Grandjean, NMR Studies of Interfacial Phenomena. Subject Index.