The Traveler in Black

From Author Wars - https://authorwars.com/publications/the-traveler-in-black-218173.html

Overview:

Title: The Traveler in Black
Author: John Brunner
Year: 1977
ISBN-10: 0441822118
Publisher: Ace Books
Price: $1.50
Pages: 222
Binding: Paperback
Type: Collection
Title Reference: The Traveler in Black
Notes:
- ©1971. No other statement of edition or printing.
- Date of publication from Locus #205, October 1977.
- The cover artists are not credited; artwork is the same as the 1971 edition [though moved lower on the cover and slightly enlarged] which is credited to the Dillons.
- The copyright page provides the publishing history for the four pieces (all described as "earlier versions"): "This text is completely revised for book publication." It doesn't mention that there was a previous printing by Ace of this collection.