THE EXURBANITES (278 pp.)A. C. SpectorskyLippincott ($3.95).
The Fairfield County Protective Association and Anti-Defamation League, hastily formed only a few days before, assembled in the spacious (definitely not split-level) dwelling belonging to an account executive of one of the larger New York advertising agencies. Clutching an unaccustomed cup of coffee, and reclining in a canvas chair that sagged gracefully beneath his trim figure, the host and chairman began:
"Now, I really don't think we are being hysterical or anything. But look here, this fellow Spectorsky, has he or has he not been drinking our...