But more disturbing news is to come. This week, Penguin dispatched its one millionth Little Black Classic – and Tesco began stocking the series. If Marx and Engels prove to be as popular next to the cereal aisle as they have been so far in Waterstones and Blackwell’s, weekly shops up and down the country could be abandoned halfway through in the midst of a communist awakening (as The Communist Manifesto is only about 30 pages long, you could easily read it while queuing for the checkout).