The Letters of a Portuguese Nun (Les Lettres Portugaises) were first published anonymously in Paris in 1669. The five passionate letters in book form were a publishing sensation since their appearance, with five editions in the first year, followed by more than forty editions throughout the 17th century. A Cologne edition of 1669 stated that the Marquis de Chamilly was their addressee, but, aside from the fact that she was female, the author's name and identity remained unknown. The letters were translated in several languages, and set a precedent for sentimentalism in European culture at large, and for the literary genres of the sentimental novel and the epistolary novel into the 18th c...