Volume 3B: The second of two volumes in this series dealing with this topic. This handbook encompasses traditional topics in solid- state physics and chemistry as well as recent advances in materials research. From the Contents: Guillot: Magnetic Properties of Spinel Ferrite. Mizutani: Electronic Properties of Liquid, Amorphous and Quasicrystalline Alloys. Shiga: Invar Alloys. Hibst/Schwab: Magnetic Recording Materials. Schlapbach/Burger: Hydrogen in Pure Metals and Solid Solution. Yamaguchi/Akiba: Ternary Hydrides. Herzer/Boll: Soft Magnetic Metals and Alloys. Buschow: Permanent Magnet Materials. Cullen: Magnetostrictive Materials. Grundy: High-Density Magneto-Optical Recording Materials.