The Road to Space Travel: Part 2: The Next Twelve Years
From Author Wars - https://authorwars.com/books/the-road-to-space-travel-part-2-the-next-twelve-years-130020.html
Overview:
Editions/Publications:
- Unknown. Startling Stories, May 1949 (Unknown, Willy Ley, Better Publications, Inc., $0.25, 164 pages, pulp, MAGAZINE)