'The train ran on without a driver, on and on, like some mindless, unseeing beast...'One of Zola's darkest and most violent works - a tense thriller of political corruption and a graphic exploration of the criminal mind, as a murder is committed on the new railways of the Second Empire.A new series of twenty distinctive, unforgettable Penguin Classics in a beautiful new design and pocket-sized format, with coloured jackets echoing Penguin's original covers.