Frankenstein; or, the Modern Prometheus（Chapter 19-24）

In the summer of 1816, Mary, Percy, and Claire took a trip to visit Claire's lover, Lord Byron, in Geneva. Poor weather conditions, more akin to winter, forced Byron and the visitors to stay indoors. Byron suggested that he, Mary, Percy, and Byron's physician, John Polidori, each try writing a ghost story.Mary was 20 years old when her novel Frankenstein was published.