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...

Nadie en el universo tiene más para decir acerca del amor que Dios. Si bien el amor fascina a las nuevas generaciones sigue siendo uno de los temas que generan mayor ansiedad, confusiones y decisiones equivocadas en cada nueva generación y por eso se hace fundamental redefinir lo que la cultura contemporánea dice acerca del amor a la luz de lo que dice la palabra de Dios. Este es un manual de lecciones bíblicas conversacionales ideales para jóvenes y adolescentes mayores acompañando el libro: Amar es para Valientes. Cada lección extrae los principios fundamentales del libro y colabora...

Young readers will learn the ways that César Chávez fought to protect the rights and lives of migrant workers in this inspiring Spanish-translated biography that gives history behind protests and developments of unions that Chávez led. Vivid images and an interesting timeline of Chávez's life work in conjunction with supportive text and a helpful glossary, table of contents, and index to engage readers from cover to cover.

One of North America's most popular sports, skateboarding combines balance, dexterity, and quick reflexes. Kids will get the lowdown on streetstyle and vertical skating and learn about the board, safety, motion and balance, and how to perform kickturns, spins, rock n' roll, and more.

Encourage beginning readers to learn about days, weeks, months, and years with this engaging Spanish book! This nonfiction book for kindergarten students features detailed images, simple text, a glossary, and an index to help kindergartners develop their reading skills. A fun activity promotes additional thinking and learning.