El DoradoEl Dorado: "Further Adventures of the Scarlet Pimpernel" Eldorado 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. 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