Many works published in the twentieth-century were examples of genre fiction. This designation includes the crime novels, spy novel, historical romance, fantasy, graphic novel, and science fiction.
Among significant writers in the fantasy genre were J.R.R. Tolkien, author of The Hobbit and The Lord of the Rings. C.S. Lewis author of The Chronicles of Narnia, and J.K. Rowling who wrote the highly successful Harry Potter series.