Geography for Time Travelers
From Author Wars - https://authorwars.com/books/geography-for-time-travelers-114386.html
Editions/Publications:
- Unknown. Astounding Science-Fiction, July 1939 (Unknown, Willy Ley, Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)
- Unknown. Coming Attractions (Unknown, Willy Ley, Gnome Press, $3.50, 254 pages, Hardcover, Anthology)
- Unknown. Astounding Science Fiction, July 1939 (Unknown, Willy Ley, Southern Illinois University Press, ISBN-10: 0809309912, $12.95, [ix]+180 pages, Hardcover, Anthology)