Mary Shelley is the author of the classic novel Frankenstein. She was born Mary Wollstonecraft Godwin in 1797 and married the poet Percy Bysshe Shelley in 1816. She wrote Frankenstein in 1818, when she was just 21 years old. The novel has since become a classic of English literature and has been adapted into numerous films, plays, and other media. Shelley's other works include Valperga, The Last Man, and Mathilda.