Crisis energética: El futuro de los combustibles fósiles (Energy Crisis: The Future of Fossil Fuels)

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

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. Theyll 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. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!

In graphic novel format, follows the adventures of Max Axiom as he explains the science behind photosynthesis.

Readers are introduced to some of the most well-known criminals and tyrants of the past in this exciting nonfiction reader. Featuring intriguing facts and theories, colorful images, and informational text in conjunction with a glossary of terms, a bibliography, and a list of helpful websites with more information, this text will make readers want to learn all they can about ancient history and the bad guys and gals from the past. This book has been translated into Spanish.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! ¿Las personas pueden volar? ¡Sólo si son gimnastas! Aprenda sobre el gran deporte de la gimnasia. Las fotografías llenas de color que capturan la atención atraerán visualmente a los lectores, mientras que un diagrama útil demuestra los diferentes tipos de equipos de gimnasia. Estas grandes características, junto con las preguntas de pensamiento crítico hacen de este título una excelente introducción a la no ficción para niños. Can people fly? Only if they're...