This reference book is a factfinder in one volume. It is a visualization of facts, translating them into a form that the young reader can understand, use and remember. The information is presented in charts, diagrams, maps, photographs and illustrations. As well as key facts, it contains hundreds of comparisons, statistics and collectable facts. A contents list and an index make it easy to find facts at a glance, while detailed glossaries explain specialized terms used. Contents include thousands of facts about space, the earth, science, weights and measures, technology, the human body, animals, plants, history, world maps, transport, religion, sport, buildings, film, television, energy, ecology, rules, leaders and communications. Also the biggest, smallest, fastest, slowest, oldest, highest, longest, heaviest and first.