A la vanguardia: Adelantos en tecnología (The Cutting Edge: Breakthroughs in Technology) 6-Pack

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!

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...

A powerful and poetic play from the author of Death and the Maiden. A Man and a Woman in purgatory - a soul-less white room. Each is interrogated in turn by the other. Each is groping for forgiveness and contrition. But one of them has done something unforgiveable...

Las relaciones que establecemos al interior de la familia son determinantes en el futuro de cada miembro de ella; muchas veces el camino al éxito personal, profesional o público, se ha cimentado sobre la sólidas bases de buenos grupos familiares. Entonces, aprender sobre cómo fortalecer estos lazos familiares es una tarea de primera importancia; considerando que el éxito futuro depende de las fortalezas familiares que se logren hoy día. Los textos de esta serie están diseñados para mejorar la comunicación y la interacción de los niños con sus parientes más cercanos, posibilitando...