Public domain. Cover image from Project Gutenberg ebook #65483. The Sinister Invasion by Edmond Hamilton Download .m4b · 126 MB How to listen → · Problem with this narration? Let us know → Narrator Walter — American Narrator (en-US) Length 2 hr 5 min Language English Added November 9, 2026 Source ebook Project Gutenberg License Public domain FictionScience Fiction