Describes the fundamentals of structure and energetics that underpin materials science. Presents thermodynamic concepts and the laws governing equilibrium properties, and the connections between thermodynamic concepts and materials phenomena, such as phase transformations, multiphase equilibria, and chemical reactions. Introduces computerized thermodynamics. Structure of noncrystalline, crystalline, and liquid-crystalline states. Symmetry and tensor properties of materials. Point, line, and surface imperfections in materials. Diffraction and structure determination.