A western buckaroo, I share his scorn for people who go camping by the book, relying on the authority of some half-assed assistant scoutmaster whose total experience outdoors probably consists of two overnight hikes and a weekend in the Catskills. But we have just had that confrontation. The one who goes by Pritchard’s book is Sid’s wife, and I am wary. It is not my expedition. I am a guest here.