Usborne Internet-Linked Science Encyclopedia with 1,000 recommended websites

Usborne Internet-Linked Science Encyclopedia with 1,000 recommended websites Amazingly in-depth reference books covering physics, chemistry, biology, information technology, earth sciences and astronomy, with up-to-date information on brand-new fields- Contain experiments, activities, A-Z dictionary, review questions and suggested websites for each topic. * Brand New * Perfect for home schooling, classroom use or just for fun learning about science * Internet links to recommended websites * Ages 9-12 * Grades 4-7