Fans of Louisa May Alcott's Little Women will remember that her heroine Jo wrote racy novels before turning her hand to more "serious" literature. Alcott, writing under the pseudonym A. M. Barnard, often did the same, and Behind a Mask (1866) is one of her sensation novels. It focuses on Jean Muir, who enters the home of the wealthy Coventry family as governess to their sixteen-year-old daughter. But is the beguiling Miss Muir all that she seems to be?