"Take a look around you--at home, on the street, at the train station, wherever. How many numbers do you see? Quite a lot, right? It may not seem so at first glance, but there are numbers all around us. By now, you can probably read them, maybe even count with them. But do you know what is happening behind these numbers? Do you know what they tell us? Numbers aren't just about math and counting, what time it is, or how much things cost. They do much, much more... Come with us as we open a door into the numerous worlds of numbers..."--,Page 4 of cover.