Earth Factor X
From Author Wars - https://authorwars.com/publications/earth-factor-x-422373.html
Overview:
- Title: Earth Factor X
- Author: A. E. van Vogt
- Year: 1976
- Publisher: DAW Books / New American Library of Canada
- Price: C$1.25
- Pages: 174
- Binding: Paperback
- Type: Novel
- Title Reference: Earth Factor X
- Notes:
• "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 • "Original title: The Secret Galactics" noted on copyright page • Cover printed in the US, book in Canada