F. Spaepen, Homogeneous Nucleation and the Temperature Dependence of the Crystal-Melt Interfacial Tension. D. de Fontaine, Cluster Approach to Order-Disorder Transformations in Alloys. A.G. Evans and F.W. Zok,The Physics and Mechanics of Brittle Matrix Composites. R.C. Pond and J.P. Hirth, Defects at Surfaces and Interfaces. P.M. Levy, Giant Magnetoresistance in Magnetic Layered and Granular Materials. Author Index. Subject Index. Cumulative Author Index.