What less likely setting for ghosts than the American heartland? Golden wheat fields, azure skies, cool northern woods, wood-lined winding rivers, the breadbasket of the world. And yet deeds dark indeed have happened in this sunny region, and here-as in other places-people have experienced the unexplainable. While we ponder how such things happen, we might remember that it's the unexpected that sends ghostly chills up and down spines. So prepare to...