The X Factor
From Author Wars - https://authorwars.com/publications/the-x-factor-259480.html
Overview:
- Title: The X Factor
- Author: Andre Norton
- Year: 1965
- Publisher: Harcourt, Brace & World
- Price: $3.25
- Pages: 191
- Binding: Hardcover
- Type: Novel
- Title Reference: The X Factor
- Notes:
- On copyright page: "First edition" (as noted by Currey), "Copyright (c) 1965 by Andre Norton" and LCCN.
- Month from The Whole Science Fiction Data Base 7.
- $3.25 price and "Jacket design by R. M. Powers" on front flap of jacket. Artist confirmed as Richard M. Powers in the book THE ART OF RICHARD POWERS by Jane Frank.