Stepping-Stone to the Stars

From Author Wars - https://authorwars.com/books/stepping-stone-to-the-stars-193884.html

Overview:

Title: Stepping-Stone to the Stars
Author: John Brown (I)
Year: 1943
Type: Essays

Editions/Publications:

Unknown. Super Science Stories (Canadian), June 1944 (Unknown, John Brown (I), Popular Publications, Inc.; Toronto, Canada, C$0.15, 84 pages, pulp, MAGAZINE)