Now in paperback, "The Oxford Children"s Encyclopedia of Science and Technology" is a major reference book for children of 8 and over, giving a fascinating insight into the secrets of modern science. Some 135 major entries carefully explain the issues. Each article features colour photos and other illustrations specially selected to expand on the information given in the text. The articles are arranged alphabetically from Acids to X-rays, to allow quick access to information, and the text is completely up to date and has been checked by experts.