Ying Yun meng () or Ying Yun meng zhuan (), is a Chinese romantic caizi jiaren novel from around 1783. Its authorship is ascribed to a writer named Jiu Rong Lou Zhu Ren Song Yun (ä¹Â容æ¨Â主人æ¾é²), which is a pseudonym. The title refers to the names of novel's two female protagonists, Wu Mengyun and Xu Yingniang. The earliest extant edition of the novel is now kept in the Peking University Library.