Dream of the Red Chamber, also called The Story of the Stone, or Hongloumeng (simplified Chinese:; traditional Chinese:; pinyin: Hónglóumèng), composed by Cao Xueqin, is one of China's Four Great Classical Novels. It was written some time in the middle of the 18th century during the Qing dynasty. Long considered a masterpiece of Chinese literature, the novel is generally acknowledged to be one of the pinnacles of Chinese fiction. "Redology" is the field of study devoted exclusively to this work.The title has also been translated as Red Chamber Dream and A Dream of Red Mansions. The novel circulated in manuscript copies with various titles until its print publication, in 1791. Gao E, who prepared the first and second printed editions with his partner Cheng Weiyuan () in 1791-92, added 40 additional chapters to complete the novel.