Earth Factor X
| First published | 1976 |
|---|---|
| Publisher | DAW Books |
| Format | Paperback |
| Type | Novel |
| Catalog ID | UY1249 |
| Cover art | Deane Cate |
| Pages | 174 |
| Price | $1.25 |
| ISBN | 0879972491 |
Apparently this follows the events told in the short story "The Sound of Wild Laughter". No sign of the parent title publications yet.
- "First DAW printing, August 1976/123456789"
- "Cover art by Deane Cate" on the copyright page; no visible signature
- The interior art piece is not credited, has Gaughan's "JG" on it
- The copyright page has the note "Original title: The Secret Galactics."
- DAW Books No. 206
- Printed in the US
- ISBN derived from catalog ID.
| Year | Reviewer | Publication |
|---|---|---|
| 1976 | Karen Rappaport | The Science Fiction Review Monthly, September 1976 |
| Title | Year | Publisher | Format | Type | Catalog ID | Cover Artist | Pages | |
|---|---|---|---|---|---|---|---|---|
| Earth Factor X |
|
1976 | DAW Books / New American Library of Canada | Paperback | Novel | UY1249 | Deane Cate | 174 |
| Earth Factor X |
|
1978 | DAW Books | Paperback | Novel | UW1412 | Greg Theakston | 174 |
| Earth Factor X |
|
1978 | DAW Books / New American Library of Canada | Paperback | Novel | UW1412 | Greg Theakston | 174 |