Unknown Worlds (1941-1943 Street and Smith) Pulp Vol. 6 #1
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Published Jun 1942 by Street & Smith.$10.00
View scans- Front cover detached 25%. Back cover detached 70%. Staple rust: Slight.
6 1/2-in. x 9 1/2-in., 132 pages, B&W. Cover price $0.25.