The average romance-novel hero hasn't changed much since the genre's development in the late 19th century—he's dashing, arrogant, commanding, hopefully rich, possibly even a prince. But is he an Arab? More and more commonly, the answer is yes. It seems that an Arab man can now get on the cover of a romance novel in the United States almost more easily than he can get past airport security: According to the Chicago Tribune, the sales of sheik-themed romance novels have quadrupled in the years since the terrorist attacks in New York and Washington. Up to 20 of these novels per year, with titles like Expecting the Sheikh's Baby, The Sheikh's Virgin, and The Sheik and the Bride Who Said No, go through print runs of 100,000 copies or more. Typically, these stories feature a white American or...