The Players of Null-A

From Author Wars - https://authorwars.com/publications/the-players-of-null-a-416908.html

Overview:

Title: The Players of Null-A
Author: A. E. van Vogt
Year: 1974
ISBN-10: 0425025594
Publisher: Berkley Medallion
Price: C$0.95
Pages: 192
Binding: Paperback
Type: Novel
Title Reference: The Players of Null-A
Notes:
- "Berkley Medallion Edition, APRIL, 1974"
- Printing not stated, no number line.
- "Cover art by Paul Lehr" on back cover, no visible signature.
- SBN on copyright page, ISBN derived
- Book printed in Canada, cover not noted