本书的第一部分专门介绍了黎曼流形之间调和映射理论的各个方面。第二部分提出了一些尚未解决的问题，并给出一些评注和参考文献，这些评注和参考文献的难度差别很大。本书首次在定性层面阐述了调和映射。
The first part of the book is devoted to an account of various aspects of the theory of harmonic maps between Riemannian manifolds. The second part proposes certain unsolved problems, together with comments and references, which are of widely varying difficulty. This book presents the first printed exposition of the qualitative aspects of harmonic maps.
