num_pages: 175
description: First Edition with dust jacket
language: English
title: Zarkon, Lord of the Unknown, in The earth-shaker: A case from the files of Omega
titlecomplete: Zarkon, Lord of the Unknown, in The earth-shaker: A case from the files of Omega
genres: Science Fiction
ratings_count: 25
series: Zarkon - Lord of the Unknown
publisher: Doubleday