Safety Margin
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Overview:
- Title: Safety Margin
- Author: J. T. McIntosh
- Year: 1951
- Type: Short Fiction
Variant Titles:
Editions/Publications:
- Unknown. Authentic Science Fiction, #69 (May) 1956 (Unknown, J. T. McIntosh, Hamilton & Co., 2/-, 160 pages, Paperback, MAGAZINE)