Fantastic Adventures, May 1939

From Author Wars - https://authorwars.com/publications/fantastic-adventures-may-1939-58149.html

Overview:

Title: Fantastic Adventures, May 1939
Author: Raymond A. Palmer
Year: 1939
Publisher: Ziff-Davis Publishing Company
Price: $0.20
Pages: 100
Binding: bedsheet
Type: MAGAZINE
Title Reference: The Empress of Mars
Notes: Vol 1, No 1. Cover art is from "Revolt of the Robots" Since Contents page notes: "Illustrations by Julian S. Krupa", all interior art signed "Julian Krupa" or "J.K." has been credited to the full name.