Watchers of the Skies
| First published | 1963 |
|---|---|
| Publisher | The Viking Press |
| Format | Hardcover |
| Type | Nonfiction |
| Pages | xiii+528 |
| Price | $8.50 |
| Year | Reviewer | Publication |
|---|---|---|
| 1964 | Avram Davidson | The Magazine of Fantasy and Science Fiction, April 1964 |
| 1964 | P. Schuyler Miller | Analog Science Fact -> Science Fiction, May 1964 |