e-Encyclopedia combines the best of a traditional encyclopedia with an extra digital dimension. The book’s dedicated website has been created with Google, the world’s leading search engine. It guides the reader to the most helpful, appropriate and amazing sites the web has to offer. When you look up a subject in the book, the article gives you key facts and displays a keyword that links you to a wealth of extra information online. The e-Encyclopedia is grouped thematically, in nine subject areas: Space; Earth; Nature; Human Body; Science and Technology; People and Places; Society and Beliefs; Arts and Entertainment; History. Links include: animations, videos, sound buttons, virtual tours, interactive quizzes, databases, timelines, and realtime reports.