How Things Work - Discoveries Author:Ian Graham From the Publisher How does a clock keep time? Why do Space rockets need oxygen in their fuel? How does a doctor take a picture of a human brain? What trick of technology does a television use? How does a satellite stay in orbit? How Things Work is part of Discoveries, a dynamic new reference series for children. Atmospheric illustrations, stron... more »g photographs and lively text engage and encourage readers to discover for themselves the world around them. Titles from Natural History, Our World, Science and Technology and Our Past cover an exciting span of subjects: from the depths of space in Stars and Planets to the inner workings of The Human Body. A four-page foldout in each title reveals a dramatic, and perhaps unexpected, perspective.« less