Collection of science fiction short stories: Ennui, Milton Lesser; Knowledge is Power, H.B. Fyfe; Snail's Pace, Algis Budrys; X for Expendable, William C. Bailey; Blood Lands, Alfred Coppel; Blunder Enlightening, Dave Dryfoos; Honorable Enemies, Poul Anderson
The copyright date reads (C) 1951, 1952, 1953 Columbia Publications, Inc.: these are probably the dates that the short stories appeared elsewhere.