Guy Mannering or The Astrologer is a novel by Sir Walter Scott, published anonymously in 1815. According to an introduction that Scott wrote in 1829, he had originally intended to write a story of the supernatural, but changed his mind soon after starting. The book was a huge success, the first edition selling out on the first day of publication: The Novel or Romance of Waverley made its way to the public slowly, of course, at first, but afterwards with such accumulating popularity as to encour ...