Emile Zola - The Beast Within

La Bête humaine (English: The Beast Within or The Beast in Man or The Monomaniac) is an 1890 novel by Émile Zola. It is the seventeenth book in Zola's Les Rougon-Macquart series. The story focuses on the lives and violent passions of railway workers who operate the line between Paris and Le Havre in the late 1860s. The novel is a tense psychological thriller and has been adapted multiple times for radio, television, and film.