The Dark Light-Years

From Author Wars - https://authorwars.com/publications/the-dark-light-years-37929.html

Overview:

Title: The Dark Light-Years
Author: Brian Aldiss
Year: Unknown
Publisher: Signet
Price: $0.75
Pages: 128
Binding: Paperback
Type: Novel
Title Reference: The Dark Light-Years
Notes: 3rd printing, no date given for this printing
Cover artist uncredited, no signature visible.
Numbers in spine: 451-T4586-075
Ad for the SFBC between pages 64&65