The Raritan Public Library in Raritan, NJ, is reportedly haunted by the spirit of a former librarian, with alleged paranormal activity including lights and books moving on their own and sightings of an elderly woman's spirit in the library's window and garden. Moving objects: Lights are said to turn on and off by themselves, and books are reported to move on their own. Spirit sightings: Some witnesses claim to have seen the spirit of an elderly woman in the library's window and garden area.