Introduction (Possible Worlds of SF)
From Author Wars - http://www.authorwars.com/books/titles/121879/introduction-possible-worlds-of-sf/
Overview:
- Title: Introduction (Possible Worlds of SF)
- Author: Groff Conklin
- Year: 1951
- Type: Essay
Editions/Publications:
- 1951. Possible Worlds of SF (1951, Groff Conklin Vanguard, $2.95, 372 pages, Hardcover, Anthology)
- 1952. Possible Worlds of SF (1952, Groff Conklin Grayson, 9/6, 254 pages, Hardcover, Anthology)
Resources:
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