The Valley of Titans
From Author Wars - https://authorwars.com/books/the-valley-of-titans-804193.html
Editions/Publications:
- Unknown. Amazing Stories, March 1931 (Unknown, Leo Morey, Radio-Science Publications, Inc., $0.25, 100 pages, bedsheet, MAGAZINE)
- Unknown. Science Fiction Classics, Spring 1968 (Unknown, Leo Morey, Ultimate Publishing Co., Inc., ISBN-10: , $0.50, 132 pages, digest, MAGAZINE)