(Chapter Headings): Introduction and a Little History. The Earth's Magnetic Field. The Magnetization Process. Laboratory Techniques. Magnetic Properties of Marine Sediments. Fundamentals of Reversal Magnetostratigraphy. The Plio-Pleistocene Reversal Record. Seafloor Spreading Anomalies and the Magnetic Polarity Timescale. The Cenozoic Marine Record. Magnetic Stratigraphy of Cenozoic Terrestrial Deposits. Mesozoic Magnetostratigraphy in Marine Sediments. Magnetic Stratigraphy ofthe Lower Mesozoic and Paleozoic. Secular Variation Magnetostratigraphy in Lake Sediments. Rock Magnetic Stratigraphy. Subject Index.