Normal. A frequently used word, yet a word whose exact meaning is as elusive as the term "perversion." What those two words imply seems to vary from nation to nation, from community to community, from person to person. Among one African tribe it is considered obscene to expose one's back to others. In many Eskimo communities it is the height of hospitality for a man to offer his wife to a guest. The characters in the book appear to be average Americans...