MISSION OF GRAVITY. Boston: Gregg Press, 1978. Octavo, cloth. Enlarged edition. Signed by Stubbs as "Hal Clement" and Harry C. Stubbs. First hardcover edition of this text, first printing. Includes MISSION OF GRAVITY (text offset from that of the 1954 Doubleday edition), a sequel, "Lecture Demonstration," and Clement's article, "Whirligig World." New introduction by Poul Anderson. Runner-up for the 1955 International Fantasy Award. Anatomy of Wonder (2004) II-260. Pringle, Science Fiction: The 100 Best Novels 15. Survey of Science Fiction Literature III, pp. 1424-28. A fine copy without dust jacket as issued. (#168323).
"First Printing, June 1978" on copyright page.