This enhanced and completely updated edition of our award-winning and best-selling world atlas for middle-grade readers stands in a class by itself! Sparkling throughout with state-of-the-art political, physical, and thematic maps plus full-color photo essays and images from space, this engaging resource features the latest boundary and place-name changes as well as updated statistical data. A brand-new, 16-page chapter on Earth's oceans includes detailed maps of each ocean floor and photo essays on topics ranging from amazing sea creatures to El Niño. The section of world thematic maps contains new graphics and information, including a spread on world economy and trade. Locator globes and color coding help young readers find what they need and make easy comparisons, while fact boxes, charts, geographic superlatives, national flags, a glossary, and a detailed index further enhance the book's reference value and appeal.