Presents facts about the Mayan, Incan, and Aztec civilizations, covering daily life, religion, art and technology, and where they are now.

Explore Earth's polar regions-from amazing wildlife to the heroic explorers who ventured there. Discover snowy mountains, frozen seas, and icebergs bigger than skyscrapers! Children will meet the remarkable animals that survive and thrive in the harsh conditions of these icy worlds. There's the giant polar bear using its large padded paws to trek many miles across the ice and snow, and the Arctic tern whose incredible flight from one side of the...