Frente al espejo

The scientific charge of The Hot Zone and the epic thrill of Jurassic Park converge in this exhilarating new eco-thriller about a team of scientists and Navy SEALs stranded on an island in the Galápagos, fighting to survive an evolutionary catastrophe. The year is 2007. Through widening holes of ozone depletion, the tropical sun burns human skin to a crisp. Powerful earthquakes and monstrous hurricanes wrack South America, exploding Ecuador's already anarchic instability.

Learn how people collect data for weather predictions, the U.S. government census, emergency rescues, and more! This Spanish-translated title teaches readers about data collection, approximation, and estimation through practical examples.

Early elementary readers find out what causes earthquakes and what to do to stay safe if one occurs in this helpful, Spanish-translated nonfiction title. Featuring informational text, colorful maps, diagrams, and vibrant photos, this book keeps children engaged and fascinated at the same time! This 6-Pack includes six copies of this title and a lesson plan.

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.