The Silent Invaders

Overview:

• Title: The Silent Invaders
• Author: Robert Silverberg
• Year: 1963
• Type: Novel

Editions/Publications:

• 1963. The Silent Invaders / Battle on Venus (1963, Robert Silverberg, William F. Temple Ace Double, Catalog ID: #F-195, $0.40, 117+104 pages, dos, Omnibus)
• 1977. The Silent Invaders (1977, Robert Silverberg Ace Books, ISBN-10: 044176391X, $1.50, Paperback, Novel)
• 1978. The Silent Invaders (1978, Robert Silverberg Hamlyn, ISBN-10: 0600382974, £0.80, 152 pages, Paperback, Novel)
• 1985. The Silent Invaders (1985, Robert Silverberg TOR Books, ISBN-10: 0812554604, $2.95, 256 pages, Paperback, Novel)

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