This is not my beautiful wife

"Last December," explains the narrator of "Atmospheric Disturbances," Rivka Galchen's droll, exquisite first novel, "a woman entered my apartment who looked exactly like my wife." The speaker is Leo Liebenstein, a New York psychiatrist, and the wife is Rema, an Argentine considerably younger than her husband. Confronted with this ingenious impostor (she's so good he briefly contemplates the… » Full Story on Salon.com