New Jork: David McKay Company, 1968. — 152 p.
Max Euwe was the fifth official world champion, and met many of the other champions in chessboard battles. Here, he assesses the contributions of each to the way chess is played and approached.
John Nunn has brought the book fully up to date by discussing the contributions of Karpoc, Kasparov, and the new generation of professionals and the supercomputers.