Under Observation (Captain Future, Fall 1940)

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Overview:

Title: Under Observation (Captain Future, Fall 1940)
Author: various
Year: 1940
Type: Essays
Series: Under Observation

Editions/Publications:

Unknown. Captain Future, Fall 1940 (Unknown, various, Better Publications, Inc., $0.15, 132 pages, pulp, MAGAZINE)
Unknown. Captain Future, Fall 1940 (Unknown, various, Adventure House, ISBN-10: 9781597986403, $14.95, 130 pages, Trade Paperback, Anthology)