Earth-Shaker!
From Author Wars - https://authorwars.com/books/earth-shaker-130750.html
Overview:
- Title: Earth-Shaker!
- Author: J. R. Marks
- Year: 1949
- Type: Essays
Editions/Publications:
- Unknown. Fantastic Adventures, April 1949 (Unknown, J. R. Marks, Ziff-Davis Publishing Company, $0.25, 156 pages, pulp, MAGAZINE)