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...

¡Hola! Soy Antonio Berni. ¿Quieren conocer mi historia, mis ideas, mis secretos, mis personajes…? De adelante para atrás y de atrás para adelante… en este libro encontrarás: relatos, imágenes, preguntas y juegos. ¿Qué es lo que Antonio Berni sentía, pensaba, creía y soñaba? ¿Cuáles fueron sus intereses, pasiones e ideales? ¿Cómo se reflejan en su arte? ¿Cómo se entrama su obra con el contexto social en que fue creada y con el actual?

Students will learn area and perimeter while engaged in reading about a day in the life of a contractor! This Spanish engaging book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of contents will increase students' interest level and their interaction with the...

Updated for 2020, large photos and playful text will have young tots howling, growling, and mooing right along with this book.

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.