The Rival Rigelians and Planetary Agent X
| First published | 1974 |
|---|---|
| Publisher | Ace Books |
| Format | Paperback |
| Type | Omnibus |
| Catalog ID | 66995 |
| Cover art | E. L. Kuam |
| Pages | 132+133 |
| Price | $0.95 |
Notes
- © 1967 & © 1965 No publication date stated in the book. 1974-06-00 taken from Locus #162 (July 20, 1974).
- A Shorter version of this novel, "The Rival Rigelians", entitled, "Adaptation" appeared in the August 1960 Analog copyright 1960 by Conde Nast Publications, Inc.
- "This novel 'Planetary Agent X' originally published in two parts under the titles 'Ultima Thule' and 'Pistolero'."
- The artist is not credited, the artwork is clearly signed
- Also appears with publisher [?] applied price sticker, $1.25, a rectangular black-on-gold foil over original price on cover.
- Published in one binding with each novel having it's own title page and page count beginning with page 1.