In the Days of the Comet is a science fiction novel by H.G. Wells in which the vapors of a comet are used as a device which brings about a profound and lasting transformation in the attitudes and perspectives of humankind. Herbert George is best known for his work in the science fiction genre. He was also a prolific writer in many genres, including contemporary novels, history, politics and social commentary. Together with Jules Verne, Wells has been referred to as "The Father of Science Fiction."