Ul Quern, the Magician of Mars

From Author Wars - https://authorwars.com/books/ul-quern-the-magician-of-mars-1799064.html

Overview:

Title: Ul Quern, the Magician of Mars
Author: H. W. Wessolowski
Year: 1941
Type: Interior Art

Editions/Publications:

2010 . The Collected Captain Future: Man of Tomorrow, Volume Two (2010, H. W. Wessolowski, Haffner Press, ISBN-10: 9781893887404, $40.00, xx+707 pages, Hardcover, Omnibus)