World Book Encyclopedia 2003 Through a user-friendly format, students will be able to browse over 22,300 articles -- every conceivable topic is covered Detailed interactive maps visually demonstrate important information such as climate, population, economy and more Hundreds of audio and video clips show students examples of every subject from animal behavior to music Built-in fully interactive dictionary and extensive reading lists to help scholars improve their ability to express their new knowledge Surf The Ages helps people rediscovers great historical events as if they'd occurred recently