The year is 1895, the place, London. Amid the fog and cold, a gang of bodysnatchers is at work. The Doctor finds himself caught up in the gruesome goings-on, and discovers that the Zygons have returned to Earth.
Mark Morris (born 1963) is an author most well known for his series of horror novels, although he has also written novels based on the BBC Television series Doctor Who. He currently lives in Tadcaster, North Yorkshire, with his wife (the artist Nel Whatmore) and their children, David and Polly. He has used the pseudonym J. M. Morris for the novel Fiddleback.