The Big Book of Knowledge--------------------------------------------------The Dorling Kindersley Big Book of Knowledge is an exciting new approachto learning through pictures and words. With enchanting photographs,detailed illustrations, and clear text it introduces children to awealth of knowledge and encourages them to look further and unearthmore of the amazing secrets of our world. Did you know that the world'slargest cave could hold 800 tennis courts? Did you know that a rodent'sfront teeth never stop growing? Did you know that it takes about 22litres of milk to make just one kilogram of butter? These amazing factsand thousands more are all contained within the Big Book. The Big Bookis an ideal first reference source of nature science and the worldin which we live. Plants and animals, machines and transport, scienceand industry, people in the past, music and the arts, life around theworld today - all these and more can be looked up in this ideal firstreference book.