A Case of Conscience

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Overview:

Title: A Case of Conscience
Author: Robert Silverberg
Year: 1958
Type: Reviews

Editions/Publications:

Unknown. Infinity Science Fiction, October 1958 (Unknown, Robert Silverberg, Royal Publications, Inc., $0.35, 132 pages, digest, MAGAZINE)
Unknown. Infinity Science Fiction, October 1958 (Unknown, James Blish, Royal Publications, Inc., $0.35, 132 pages, digest, MAGAZINE)