The Legion of Space (cover)
From Author Wars - https://authorwars.com/books/the-legion-of-space-cover-1441883.html
Editions/Publications:
- Unknown. Seventy-Five: The Diamond Anniversary of a Science Fiction Pioneer (Unknown, Callé, Haffner Press, ISBN-10: 1893887200, $50.00, 599 pages, Hardcover, Collection)
- Unknown. Seventy-Five: The Diamond Anniversary of a Science Fiction Pioneer (Unknown, Callé, Haffner Press, ISBN-10: 1893887219, $175.00, 599 pages, Hardcover, Collection)