Lost Civilizations

From Author Wars - https://authorwars.com/books/lost-civilizations-1157949.html

Overview:

Title: Lost Civilizations
Author: J. Allen St. John
Year: 1945
Type: Interior Art

Editions/Publications:

Unknown. Fantastic Adventures, October 1945 (Unknown, J. Allen St. John, Ziff-Davis Publishing Company, $0.25, 180 pages, pulp, MAGAZINE)