The Silent Invaders
From Author Wars - https://authorwars.com/publications/the-silent-invaders-47223.html
Overview:
- Title: The Silent Invaders
- Author: Robert Silverberg
- Year: 1977
- Publisher: Ace Books
- Price: $1.50
- Pages: viii+152
- Binding: Paperback
- Type: Novel
- Title Reference: The Silent Invaders
- Notes:
- © 1973, no other date, statement of printing
- The introduction is new to this edition and ©1977
- The artist is not credited, no visible signature
- Cover artist is Don Ivan Punchatz, according to Don Punchatz: A Retrospective.
- 76391 on cover, 441-76391 on spine
- Based on the above, the ISBN-10 would be 0-441-76391-X and the ISBN-13 would be 978-0-441-76391-7