The Azure Ring

From Author Wars - https://authorwars.com/books/the-azure-ring-1942073.html

Overview:

Title: The Azure Ring
Author: Ruger
Year: 1930
Type: Interior Art

Editions/Publications:

Unknown. Scientific Detective Monthly, May 1930 (Unknown, Ruger, Techni-Craft Publishing Corp., $0.25, 100 pages, bedsheet, MAGAZINE)