The book reviews development in the following fields: a non-mathematical introduction of control concepts; control design ideas; automatic feedback control loop synthesis; Laplace transform; frequency response methods; mathematical modelling; control design; linearisation; multivariable linear processes; discrete time control; state estimation; nonlinearity; optimisation; distributed systems; robust control design; neural networks; fuzzy logic; genetic algorithms; learning systems; intelligent systems; control theory development and artificial intelligence technique. Author J. R. Leigh