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...

Think there's just one fairy tale with a girl who meets danger in disguise? Think again! Cultures all around the world have their own Little Red Riding Hood stories. Visit Germany, Italy, and Taiwan, and find out whose "sick grandmother" is a tiger, and who is saved not by a "kind hunter" but by a talking river. Fully translated Spanish text.

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.

This nonfiction Spanish book teaches students about producers and consumers, and introduces them to important scientific concepts and vocabulary terms like nutrient cycle, food web and photosynthesis. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.

The rhymes, verses, songs, and riddles in this playful book are designed for children who cannot get enough of word games. Beautiful illustrations bring humor and laughs to every page. Los niños que disfrutan de los juegos de palabras gozarán de las rimas, los versos, las canciones y las adivinanzas en este libro juguetón. Bellas ilustraciones traen humor y carcajadas a cada página.