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...

Nature is amazing and filled with different shapes. Learn about the different shapes found in nature. Paired to the fiction title What Can I Make?.

Pets! We love them, and we take good care of them. Learn all about what Guinea Pigs need to be happy and playful pets. ¡Las mascotas! Las amamos y las cuidamos mucho. Aprende todo sobre qué necesitan los Cobayos para estar felices y ser mascotas juguetonas.

El valenciano Ibn Yubayr, al escribir las impresiones de su viaje y redactarlas cuidadosamente, se convirtió, en el siglo xii, en el fundador del género literario de las letras arábigas conocido como la rihla o relación de viaje. Pronto, este viaje modélico sería considerado la obra maestra del género, siendo imitada durante siglos pero sin llegar a ser igualada. Ninguno de sus seguidores nos ha transmitido un cuadro tan acabado y tan vivo de los principales centros del Oriente árabe (Alejandría, El Cairo, La Meca, Bagdad, Damasco...). Ninguno ha dejado descripciones más precisas de ...

Help readers make a difference by encouraging them to learn about the various ways the environment needs our help and the things they can do to reduce their carbon footprint. Readers will learn about the effects of pollution, fossil fuels, renewable and non-renewable resources, deforestation, and recycling through interesting images and charts and informational text. This Spanish-translated nonfiction title features a glossary of terms and a list of helpful websites that encourages children to take part in helping the environment in many different ways.