A new edition of this incredible reference book crammed full of fascinating facts about science, technology, the human body, plants, animals and much, much more. Covers an amazing array of subjects from Astronomy to Zoology. Readers will love discovering what's inside the Earth, how food is digested and how televisions and computers work. Illustrated with stunning photographs, maps, diagrams, charts, a handy glossary and illustrations. A must-have for every family bookshelf.