The Earth Tube

From Author Wars - https://authorwars.com/books/the-earth-tube-1891968.html

Overview:

Title: The Earth Tube
Author: C. A. Brandt
Year: 1929
Type: Reviews

Editions/Publications:

Unknown. Amazing Stories, December 1929 (Unknown, Gawain Edwards, Experimenter Publishing Company, $0.25, 116 pages, bedsheet, MAGAZINE)
Unknown. Amazing Stories, December 1929 (Unknown, C. A. Brandt, Experimenter Publishing Company, $0.25, 116 pages, bedsheet, MAGAZINE)