PATH INTO THE UNKNOWN: THE BEST OF SOVIET SCIENCE FICTION. Introduction by Judith Merril. New York: Delacorte Press, . Octavo, boards. First U.S. edition. Collects eight stories by the Strugatskys, G. Gor, Anatoly Dneprov, and others. The U.S. edition adds an introduction by Judith Merril not present in the earlier 1966 British edition published by Macgibbon & Kee. Reginald 11215. A fine copy in fine dust jacket. (#86530).