The Stone from the Green Star (Part 1 of 2)

From Author Wars - https://authorwars.com/books/the-stone-from-the-green-star-part-1-of-2-113575.html

Overview:

Title: The Stone from the Green Star (Part 1 of 2)
Author: Jack Williamson
Year: 1931
Type: Serials

Editions/Publications:

Unknown. Amazing Stories, October 1931 (Unknown, Jack Williamson, Teck Publishing Corp., $0.25, 100 pages, bedsheet, MAGAZINE)