The Final Challenge
From Author Wars - https://authorwars.com/books/the-final-challenge-63437.html
Overview:
- Title: The Final Challenge
- Author: Robert Silverberg
- Year: 1956
- Type: Short Fiction
Variant Titles:
Editions/Publications:
- Unknown. Infinity Science Fiction, August 1956 (Unknown, Robert Silverberg, Royal Publications, Inc., $0.35, 132 pages, digest, MAGAZINE)
- 1976 . The Shores of Tomorrow (1976, Robert Silverberg, Thomas Nelson, ISBN-10: 0840765258, $6.95, 191 pages, Hardcover, Collection)