In the 1970s, to research a novel called Testament, I spent thirty-five days on a survival course in the Wind River Mountains of Wyoming. If anyone’s curious, the course was conducted by Paul Petzoldt’s National Outdoor Leadership School and trained its students in a variety of mountaineering skills. At the time, I lived in Iowa City, where I was a literature professor at the University of Iowa. After I descended from the mountains, I drove back home along Interstate 80, but my car developed engine trouble, and in the Nebraska panhandle, I had to leave the highway, hoping to find a mechanic. That’s when I came to this very unusual, very scary town.