Eldorado, by Baroness Orczy is a sequel book to the classic adventure tale The Scarlet Pimpernel. It was first published in 1913. The novel is notable in that it is the partial basis for most of the film treatments of the original book. A French-language version, translated and adapted by Charlotte and Marie-Louise Desroyses, was also produced under the title La Capture du Mouron Rouge. As well as containing all the main characters from the first book, Eldorado introduces several new characters and features the Baron de Batz, who also turns up in Sir Percy Leads the Band and The Way of the Scarlet Pimpernel (Baron Jean de Batz is a genuine historical figure). It is 1794 and Paris, "despite the horrors that had stained her walls - has remained a city of pleasure, and the knife of the guillotine did scarce descend more often than did the drop-scenes on the stage." Baroness Emma Orczy, Emma Magdalena Rozália Mária Jozefa Borbála Orczy de Orci, usually known as Baroness Orczy (the name under which she was published) or to her family and friends as Emmuska Orczy, was a Hungarian-born British novelist and playwright. She is best known for her series of novels featuring the Scarlet Pimpernel, the alter ego of Sir Percy Blakeney, a wealthy English fop who turns into a quick-thinking escape artist in order to save French aristocrats from "Madame Guillotine" during the French Revolution, establishing the "hero with a secret identity" in popular culture.