- E-bookReal HauntingsHans Holzer
- E-bookHaunted PeopleHans Holzer
- E-bookPsychic PhotographyHans Holzer
- E-bookFamous GhostsHans Holzer
- E-bookGhostsHans Holzer
- E-bookThe Ghost Hunter's Strangest CasesHans Holzer
- E-bookHaunted PlacesHans Holzer
- E-bookThis House Is HauntedHans Holzer
- E-bookGhosts That Aren'tHans Holzer
- E-bookStay-BehindsHans Holzer
- E-bookPoltergeistsHans Holzer
- E-bookAn Introduction to GhostsHans Holzer
- E-bookHouses of HorrorHans Holzer
- E-bookGhost HunterHans Holzer
- E-bookGhosts I've MetHans Holzer
- E-bookIn Search of GhostsHans Holzer
- E-bookThe Ghost HunterHans Holzer
- E-bookSerie: True Encounters with the World BeyondHans Holzer