This colourful picture encyclopedia for chil dren is arranged thematically, offering clear and simple exp lanations of everyday things and key concepts. '

Part 1 Our planet: what is the Earth?; the Earth in space; moons; stars; how the land moves; under the ground; time; why do the seasons change?; weather; climate; rivers and lakes; the seas; explorers; Africa; the Americas; Asia; Australia and New Zealand; Antarctica; Europe. Part 2 Natural life: the Earth's story; plants and flowers; trees and habitats; insects; life in the ocean; reptiles; birds; mammals; the human body; looking after the land. Part 3 History: the story of people; cavemen; the ancient Egyptians; the ancient Romans; the Middle Ages; the Industrial Revolution; modern times. Part 4 People: people around the world; houses and homes; food and cooking; sports; writing and books; art; music; crafts; dressing up; myths; religions; theatre and dance; education; government and politics. Part 5 Science around us: air and water; light and colour; electricity; sound; transport by land; ships; flying machines; medicine. Part 6 Appendix: what makes things go?; machines and inventions; new technology.