Everything you need to understand or teach Lonesome Places by August Derleth.
Derleth has two basic settings for his weird fiction. If the place is essentially good and pastoral, the story is set in the Sac Prairie region. While there may be an evil doer in their midst, the people in the rural regions are basically good and their intentions are just. It just takes a ghost, psychic residue, or essentially otherworldly events to set right a temporary evil manifestation.
When the place itself is...