TERRY PRATCHETT is the acclaimed creator of the globally bestselling Discworld series, the first of which, The Color of Magic, was published in 1983. Raising Steam is his fortieth Discworld novel. His books have been widely adapted for stage and screen; he is the winner of multiple prizes, including the Carnegie Medal, and was awarded a knighthood for services to literature. After falling out with his keyboard, he now talks to his computer. Occasionally, these days, it answers back.