El mundo como un juego matemático

Completa biografia ilustrada del gran conquistador Alejandro Magno (356-323 a. C.), al que se ha descrito como "el personaje mas famoso de la antiguedad despues de Jesucristo." Incluye un riguroso y detallado analisis de los acontecimientos mas fascinantes del extraordinario reinado de Alejandro: su marcha hacia la India, sus encuentros con filosofos griegos, magos persas y santones hindues, etc. Contiene mas de 150 ilustraciones, entre las que destacan mapas, obras de arte y fotografias de tesoros y artefactos del momento.

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

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...

Introduce students to world trade with this nonfiction Spanish book. Young readers will learn about the various services and goods that countries around the world provide, the different types of currency, and the difference between wants and needs. With images that support the text, students will be fully engaged and better understand the content.