Thirteen O'Clock

From Author Wars - https://authorwars.com/books/thirteen-oclock-842854.html

Overview:

Title: Thirteen O'Clock
Author: Bok
Year: 1941
Type: Interior Art

Editions/Publications:

Unknown. Stirring Science Stories, February 1941 (Unknown, Bok, Albing Publications, $0.15, 132 pages, pulp, MAGAZINE)
Unknown. Uncanny Tales, April 1942 (Unknown, Bok, Adam Publishing Company, C$0.15, 96 pages, pulp, MAGAZINE)