This second edition discusses the importance of semiconductors along with their newest applications. The book introduces the field of semiconductors, before covering chapters on electronic structure, lattice dynamics, transport structures, optical properties and electron-electron interaction. The edition has been extensively updated with the addition of new chapters on statistics and optics, two expanded chapters on transport, and examples of the most recent applications of semiconductors. The book offers the deepest insight yet into the field of semiconductors, providing essential reading for graduate students and industry specialists.