"With the publication of the first two volumes of Clement Greenberg's Collected Essays and Criticism, we are at last on our way to having a comprehensive edition of the most important body of art criticism produced by an American writer in this century. The two volumes now available-Perceptions and Judgments, 1939-1944 and Arrogant Purpose, 1945-1949-bring together for the first time Mr. Greenberg's critical writings from the decade in which he emerged...