Tau Zero

From Author Wars - https://authorwars.com/publications/tau-zero-201809.html

Overview:

Title: Tau Zero
Author: Poul Anderson
Year: Unknown
ISBN-10: 0425039099
Publisher: Berkley Medallion
Price: $1.75
Pages: 188
Binding: Paperback
Type: Novel
Title Reference: Tau Zero
Notes: Undated 3rd printing
Cover artist is not credited. No visible signature.
Richard Powers is confirmed by Jane Frank in ‘The Art of Richard Powers' (2001) ISBN 1-85585-890-8