Introduction (The Silent Invaders)
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Overview:
- Title: Introduction (The Silent Invaders)
- Author: Robert Silverberg
- Year: 1977
- Type: Essays
Editions/Publications:
- Unknown. Science Fiction Review, November 1977 (Unknown, Robert Silverberg, Richard E. Geis, $1.50, 84 pages, quarto, FANZINE)
- Unknown. The Silent Invaders (Unknown, Robert Silverberg, Ace Books, $1.50, viii+152 pages, Paperback, Novel)
- 2017 . StarShipSofa, No 517 (2017, Robert Silverberg, District of Wonders, $0.00, digital audio download, MAGAZINE)