Facts
- Author
- Kennon, J. L.
- Language
- English
- Project Gutenberg No.
- 563
- Released on Project Gutenberg
- June 1, 1996
- Subjects
- Spiritualism, Mars (Planet) – Miscellanea
- Public domain in the USA
- yes
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)