William de Worde accidentally invents the newspaper. When a moveable-type printing press falls off the back of a cart, William starts writing things down and selling them, and Ankh-Morpork discovers journalism. A plot to overthrow the Patrician brings William face to face with the powerful interests who preferred the city without a free press. A novel about truth, lies, and the sentence "A dog bites a man - that's not news. A man bites a dog - that's news."