- E-bookHudson Valley UFOsLinda Zimmermann
- E-bookMore Hudson Valley UFOs, Including western Connecticut, northern New Jersey, and BeyondLinda Zimmermann
- E-bookIn the Night SkyLinda Zimmermann
- E-bookThe Blood From A Tombstone CollectionTracy Allen
- E-bookGhosts of Rockland CountyLinda Zimmermann
- E-bookHVZALinda Zimmermann
- E-bookGhost Investigator Volume 1Linda Zimmermann
- E-bookGhost Investigator Volume 6Linda Zimmermann
- E-bookBad ScienceLinda Zimmermann
- E-bookHVZA 2Linda Zimmermann
- E-bookGhost Investigator Volume 4Linda Zimmermann
- E-bookDead CenterLinda Zimmermann
- E-bookCivil War MemoriesLinda Zimmermann
- E-bookGhost Investigator Volume 2Linda Zimmermann
- E-bookGhost Investigator Volume 9Linda Zimmermann
- E-bookHVZALinda Zimmermann
- E-bookGhost Investigator Volume 10Linda Zimmermann
- E-bookMind Over MatterLinda Zimmermann
- E-bookHome RunLinda Zimmermann
- E-bookGhost Investigator Volume 3Linda Zimmermann
- E-bookGhost Investigator Volume 7Linda Zimmermann
- E-bookGhost Investigator Volume 8Linda Zimmermann
- E-bookGhost Investigator Volume 12Linda Zimmermann
- E-bookGhost Investigator Volume 5Linda Zimmermann