Chuan-Chih Hsiung (Lehigh U.) is the founder and editor-in-chief of the Journal of Differential Geometry . This volume presents in chronological order 64 research papers by Hsiung on a variety of topics in this discipline. Coverage includes, for example, a theorem on surfaces with a closed boundary, minimal immersions in Riemannian spheres, the congruence of hypersurfaces, and the spectral geometry of almost L manifolds. The volume is not indexed. Annotation c. Book News, Inc., Portland, OR (booknews.com)