Space Lattices and Crystal Types--X-Ray Crystal Analysis--Dynamics of Crystal Lattices--Outline of Quantum Mechanics--Outline of Statistical Mechanics--Lattice Vibrations and the Thermal Properties of Crystals--The Free-Electron Theory of Metals--Quantum Theory of Electrons in Periodic Lattices--Uniform Electronic Semicondutors in Equilibrium--Excess Carriers in Semiconductors--Materials Technology and the Measurement of Bulk Properties--Theory of Semiconductor p-n Junctions--p-n Junction Rectifiers and Transistors--p-n Junctions at High-Current Levels; the p-i-n Rectifier--Other Semiconductor Devices--Metal-Semiconductor Contacts and Semiconductor Surfaces