This is a classic chess book, published in 1921, that teaches fundamental principles through clear, simple explanations and annotated games, making it accessible for beginners to advanced players. It's praised for its straightforward style, reflecting Capablanca's own efficient and accurate play, and is considered by some, like Mikhail Botvinnik, to be the best chess book ever written. The book covers core concepts, helping players move from knowing the rules to applying master-level principles.