The R-Master

From Author Wars - https://authorwars.com/books/the-r-master-272771.html

Overview:

Title: The R-Master
Author: Jack Gaughan
Year: 1975
Type: Cover Art

Editions/Publications:

Unknown. The R-Master (Unknown, Jack Gaughan, DAW Books, ISBN-10: 087997155X, $1.25, 157 pages, Paperback, Novel)
Unknown. The R-Master (Unknown, Jack Gaughan, DAW Books / New American Library of Canada, C$1.25, 157 pages, Paperback, Novel)