Not many authors can boast of having written a best-selling pornographic novel, much less one regarded as an erotica classic—but Pauline Réage could. Make that Dominique Aury. No: Anne Desclos. All three were the same woman, but for years the real name behind the incendiary work was among the best-kept secrets in the literary world. Forty years after the publication of the French novel ‘Histoire d’O,’ the full truth was finally made public.