From best-selling author Russell Ash here's an enthralling compilation of facts and comparisons covering a wide variety of topics from land speed to the Universe. From an early age people with enquiring minds ask such questions as How big is it? or How fast is it?. But even when we learn the answers it is often hard to grasp what they really mean. We really want to know how things compares with the commonplace - with the weight of a human the speed of a car or the height of a hous. Part One Incredible Comparisons makes just such comparisons. What happens in one day in the life of the world? In the next 24 hours the world will spin once on its axis and travel more thatn 2.5 million km in its orbit around the Sun. As they hurtle through space 2.5 billion people will spend the day at work and 1 billion children will go to school. But what else is going on? Part Two The World in One Day will tell you!