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...

In this bilingual picture book, astronaut José M. Hernández recounts his childhood as the son of Mexican migrant workers and his life-long dream to travel to the stars.

One of the skills employers want most in new hires is the ability to speak well. Public speaking can not only advance a person in almost any career but can also help an individual do better in school as well. Following the English Language Arts standards for Speaking and Listening, this book teaches readers why public speaking can be such an effective tool, how to craft a powerful speech, and how to overcome one of the most common problems people have with talking in front of a crowd�stage fright.

La historia redentora de Dios La Biblia en acción, Nuevo Testamento es una nueva edición del éxito de mayor venta La Biblia en Acción. El artista Sergio Cariello sigue las historias y los héroes del Nuevo Testamento con ilustraciones contemporáneas llenas de acción en el formato y estilo único de historieta. Más de 237 páginas a todo color aparecen en orden cronológico comenzando con el nacimiento de Jesús, continuando con su ministerio y terminando con una invitación de abrirle la puerta a Jesús mientras él llama (Apocalipsis 3). God’s Redemptive Story La Biblia en accion NT ...

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.