Invariant

Overview:

• Title: Invariant
• Author: John R. Pierce
• Year: 1944
• Type: Short Fiction

Editions/Publications:

• 1944. Astounding Science Fiction, April 1944 (1944, John W. Campbell, Jr., $0.25, 180 pages, Magazine)
• 1952. The Astounding Science Fiction Anthology (1952, John W. Campbell, Jr. Simon & Schuster, Hardcover, Anthology)
• 1954. The First Astounding Science Fiction Anthology (1954, John W. Campbell, Jr. Grayson, Hardcover, Anthology)
• 1956. The Astounding Science Fiction Anthology (1956, John W. Campbell, Jr. Berkley, Paperback, Anthology)
• 1964. The First Astounding Science Fiction Anthology (1964, John W. Campbell, Jr. Four Square Books, Paperback, Anthology)
• 1967. Science Fiction Inventions (1967, Damon Knight Lancer, Catalog ID: #73-691, $0.60, 253 pages, Paperback, Anthology)
• 1978. The Best of Astounding (1978, Anthony R. Lewis Baronet, Trade, Anthology)
• 1981. The Great SF Stories 6 (1944) (1981, Isaac Asimov, Martin H. Greenberg DAW, ISBN-10: 0879976075, $2.95, 368 pages, Paperback, Anthology)
• 1983. Caught in the Organ Draft: Biology in Science Fiction (1983, Isaac Asimov, Martin H. Greenberg, Charles G. Waugh Straus & Giroux, ISBN-10: 0374312281, $12.95, 276 pages, Hardcover, Anthology)

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