The original text of this volume is that of the first four chapters of the book

"Problems and Solutions in Thermodynamics and Statistical Mechanics"

itself one of the "University Series" published by the Shokabo Publishing

Company. Although the last part of the original book was translated

first and published as "Statistical Mechanics-An Advanced Course with

Problems and Solutions" (North-Holland Publ. Co., 1965), the present vol-

ume should be regarded as the first volume of the whole work.