Geophysical electromagnetic theory and methods Differential calculus of vector fields and differential forms Foundations of field theory Electromagnetic field equations Models of electromagnetic induction in the Earth Electromagnetic fields in horizontally stratified media Electromagnetic fields in inhomogeneous media Principles of ill posed inverse problem solution Electromagnetic inversion Electromagnetic migration Electromagnetic properties of rocks and minerals Generation and measurement of electromagnetic fields in geophysical applications Direct current and induced polarization methods Magnetotelluric and magnetovariational methods Electromagnetic methods in the frequency and time domains Marine electromagnetic methods Other platforms other methodologies Algebra of differential forms Calculus of differential forms Mathematical notations Definition of fields and units Linear operators and their matrices