Mark VII

From Author Wars - https://authorwars.com/books/mark-vii-69002.html

Overview:

Title: Mark VII
Author: August Derleth
Year: 1954
Type: Short Fiction

Editions/Publications:

Unknown. Harrigan's File (Unknown, August Derleth, Arkham House, ISBN-10: 087054070X, $6.50, 256 pages, Hardcover, Collection)