The Larson icehouse had stood abandoned on the south shore of Black Wolf Lake for the past eighty years. During that time, the building had a rather checkered, some might say sordid past. And now, in the spring of 1980, evil had apparently taken up residence. Jessica Wiggins, Stewart Gregory, and Caleb Anders, eighth graders at Immanuel Lutheran School in Longville, Minnesota, were enjoying their last spring break before starting high school...