In 20,000 A.D.!
From Author Wars - https://authorwars.com/books/in-20000-ad-1120282.html
Editions/Publications:
- Unknown. Wonder Stories, September 1930 (Unknown, Paul, Stellar Publishing Corporation, $0.25, 100 pages, bedsheet, MAGAZINE)
- Unknown. Wonder Stories, September 1930 (Unknown, Paul, Pulp Tales Press, $12.95, 100 pages, Trade Paperback, Anthology)
- 2017 . 20,000 A.D. / Druid Moon (2017, Paul, Armchair Fiction, ISBN-10: 9781612873688, $12.95, 208 pages, Trade Paperback, Anthology)