Earth Factor X
A. E. van Vogt / DAW Books / 1976
My physical copy
- Notes
- Retitled from The Secret Galactics Cover price sticker with $1.25 Black marker price marking '10' on cover
- Date added
- Dec 7, 2025
- Last enriched
- Jul 5, 2026
Edition details
- Title
- Earth Factor X
- Contributors
- A. E. van Vogt
- Publisher
- DAW Books
- Publication date
- August 1976
- Pages
- 174
- ISBN-10
- 0879972491
- Cover artist
- Deane Cate
- Publication series
- DAW Collectors
- Series number
- 206
- Source
- ISFDB record