Euwe Max, Kramer Hans. Das Mittelspiel. Band 1-2

Hamburg: Verlag Das Schach-Archiv, 1956. — 125 p.Band 1. Der Relative Wert der Figuren
Band 2. ZentrumsbildungMax Euwe was World Chess Champion in the 1930s and he collaborated with International Master Kramer to write this great treatise on how to play chess middlegames.Series covers pawn formations and static features of the game of chess.Thousands of satisfied customers have made this one of the most popular books on chess middlegames.