The Art of the Middle Game, by Paul Keres and Alexander Kotov

Paul Keres: The Road to the Top book by Paul Keres

Six Volumes Of Chess Books The Lost Knowledge Book Shop

The art of the middle game

The Art Of The Middle Game - (dover Chess) By Paul Keres

Chess theory - Wikipedia

The Art of the Middle Game is a classic. At the time very few books had taken a deeper look into the intricate and difficult topic that is the middle

The Art of the Middle Game, by Paul Keres and Alexander Kotov

Paul Keres - Chess Forums

Italian Game & Evans Gambit - By Jan Pinski (paperback) : Target

Chess

Paul Keres vs Alexander Kotov (1950)