The Demons of Darkside

From Author Wars - https://authorwars.com/books/the-demons-of-darkside-860858.html

Overview:

Title: The Demons of Darkside
Author: uncredited
Year: 1941
Type: Interior Art

Editions/Publications:

Unknown. Science Fiction Yearbook, Number 3 (Unknown, uncredited, Popular Library, Inc., $0.50, 100 pages, pulp, MAGAZINE)