'The book places electronic structure in the context of elementary issues in physics, while at the same time emphasising its role in providing useful information on the properties of materials … unified exposition of the basic theory and methods of electronic structure, together with instructive examples of practical computational methods and actual applications … aim is to serve graduate students and scientists involved in research while acting as supplementary material for courses on condensed matter physics and material science … Examples of problems are included in each chapter to bring out salient points and challenge the reader.' Materials World