Medir la velocidad (Measuring Speed)

This brief atlas provides basic information and statistics on all the countries of the world. It includes more than 125 maps and color illustrations as well as the flags of each nation.

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

Where are tales born? Maybe the easiest answer is "in the human heart." Yet, in Africa, people believe they are created by the savannah, the wilderness, the forest, and even the sky plagued with stars night after night. Every person lives his or her life as he or she listens to a tale or tells a tale to others. Therefore, the life of the storyteller becomes sometimes a fight against an impending disgrace, as it happens to Krutongo and his wife; sometimes it becomes the effort to remain impassive at all times so nothing affects him, as it happens to Kotendimire; sometimes the storyteller would ...

Looks at the life and career of Justice Sonia Sotomayor, the third woman and first Hispanic American to become a member of the United States Supreme Court.