Introduction (To Worlds Beyond)
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Overview:
- Title: Introduction (To Worlds Beyond)
- Author: Robert Silverberg
- Year: 1965
- Type: Essays
Variant Titles:
Editions/Publications:
- Unknown. Invaders from Earth and To Worlds Beyond (Unknown, Robert Silverberg, Ace Books, ISBN-10: 0441371302, $2.25, 408 pages, Paperback, Omnibus)
- Unknown. To Worlds Beyond (Unknown, Robert Silverberg, Chilton, $3.95, xvi+171 pages, Hardcover, Collection)
- Unknown. To Worlds Beyond (Unknown, Robert Silverberg, Chilton, $3.95, xvi+170 pages, Hardcover, Collection)