Several years have passed since the first edition of this book was published. During this period, significant developments in the study of electron systems have taken place, especially in the areas ofhigh-Tc superconductivity and the quantized Hall effect. These developments, and such fascinating subjects as crystallization and the stability of matter are included in the second edition. Bardstown, KY A.Isiham June 1997 Preface to the First Edition The study of electronic properties reveals a common basis for a variety of sys tems, including gaseous plasmas, ionic solutions, metals, and...