Certainty

Overview:

• Title: Certainty
• Author: Robert Silverberg
• Year: 1959
• Type: Short Fiction

Editions/Publications:

• 1959. Astounding Science Fiction, November 1959 (1959, John W. Campbell, Jr. Street & Smith Publications, Inc., $0.50, 164 pages, digest, Magazine)
• 1965. To Worlds Beyond (1965, Robert Silverberg Chilton, $3.95, xvi+171 pages, Hardcover, Collection)
• 1977. Strange Planets (1977, Amabel Williams-Ellis, Michael Pearson Blackie, ISBN-10: 0216902339, L3.00, 176 pages, Hardcover, Anthology)
• 1980. Invaders from Earth (1980, Robert Silverberg Ace, ISBN-10: 0441371302, 408 pages, Paperback, Collection)

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