This treatise on Superconductivity provides a comprehensive introduction of the vast field. The content covers experimental as well as theoretical research in the field providing a clear interrelationship with experimental problems. The discovery of high-Tc cuprates, Iron-pnictide superconductors, Itinerant ferromagnetic superconductors, Nanostructured superconductors, etc. opened a new class of anisotropic materials in this field. The discovery of these ...