Donde Se Cuenta Un Viaje a la China de Hoy

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

With exciting, brilliant photography this exciting book discusses how some sharks come from eggs while others do not.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

Looking at POLAND: Did you know that more horses are raised in Poland than in any other European country? Looking at Poland, you will see the steep slopes of the Carpathian Mountains, the patchwork farmland of the central plains, and the crystal-clear lakes that dot the north. Learn about life in Poland, from shipyards to salt mines and from cottages to castles.