Reading is the process of imagining tactical sequences of weIl chosen moves. Besides strategy, reading determines a player' s skill. This book uses the holistic approach of general theory applicable to all tactical problems. Powerful principles develop every essential aspect of the theory of tactical reading. Various kinds of simplifications and techniques reduce a large and unmanageable set of choices to the smallest possible number of necessary variations. The book explains in detail a general method which leads to correct and efficient reading. Application of the theory to 100 problems and their exhaustive answers demonstrates the best way to distinguish inferior from the interesting moves.