A reference for children aged eight years and above which offers an insight into the secrets of modern science in 135 major entries. Each article features colou

From black holes to vacuum cleaners; from forces to faxes... Science and Technology takes a fresh look at energy, astronomy, materials, transport, and informati

This lavishly illustrated encyclopedia--which Library Journal praised as "wonderfully illustrated" and "a pleasure to browse"--is now available in a revised edi

The ultimate book of knowledge for kids aged 7 to 9, this thorough children's encyclopedia contains all the homework answers your kids will need, explained clea

Starting with their own body and how it works, children soon become interested in other people, the Earth with all its animals and plants, and beyond to science