The Avenger, June 1940

From Author Wars - https://authorwars.com/publications/the-avenger-june-1940-582720.html

Overview:

Title: The Avenger, June 1940
Author: John Nanovic
Year: 1940
Publisher: Street & Smith Publications, Inc.
Price: $0.10
Pages: 116
Binding: pulp
Type: MAGAZINE
Title Reference: The Avenger - 1940
Notes: v2 #4 Data from Adventure Fiction Index, which states, "The lead novels are usually SF in nature, but the back up stories almost never are."