This Third Edition (published in 1976) is now available in a two-volume format. Volume 2 contains material mainly on solid-state physics and electronics, including dielectrics, conduction in metals, magnetic materials, semi-conductors, superconductors, electronic devices and circuits, and magnetic resonance. It is suitable for undergraduates in their second and third years. This book is intended for first-degree students of physics in the earlier years of study