The Crystal Empire
From Author Wars - https://authorwars.com/books/the-crystal-empire-1106870.html
Editions/Publications:
- Unknown. Wonder Stories, January 1932 (Unknown, Paul, Stellar Publishing Corporation, $0.25, 100 pages, bedsheet, MAGAZINE)
From Author Wars - https://authorwars.com/books/the-crystal-empire-1106870.html