This question was difficult to answer because different people had different definition and preferences for horror. However, some classic horror novels included Dream of the Red Chamber, Strange Tales from a Chinese Studio, Journey to the West, and Water Margins. These novels contained many horror elements such as ghosts, monsters, magic, and strange atmosphere, which were deeply loved by readers. However, the preferences of readers were also different. Some people might prefer magic novels such as Harry Potter while others preferred grave robbing novels such as Ghost Blows Out the Light.