The eye-popping, gob-smacking, rib-tickling phenomenon that is QI serves up a brand new selection of 1,423 facts to bowl you over. Bees can play football. Cholesterol is good for you. Camels gave humans the common cold. English has 3,000 words relating to drunkenness. In 1851 all the 436,800 sandwiches sold in London were ham. Books used to be put on shelves with their spines facing inwards. A German airline allows an extra kilo of hand luggage, provided it's books. There are more trees on Earth than there are stars in the Milky Way. Iceland has more volcanoes than footballers.