Ole Krogh Andersen & V Kumar 
LECTURES ON METHODS OF ELECTRONIC STRUCTURE CALCULATIONS [PDF ebook] 

Developments in the density functional theory and the methods of electronic structure calculations have made it possible to carry out ab-initio studies of a variety of materials efficiently and at a predictable level. This book covers many of those state-of-the-art developments and their applications to ordered and disordered materials, surfaces and interfaces and clusters, etc.