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...

Guía completa para aprender a programar páginas web desde cero con HTML5 y CSS3. No es el típico libro de programación lleno de "paja", esta guía está destinada a aquellas personas que quieren aprender a programar sin necesidad de que el autor les cuente cosas innecesarias y, en la mayoría de los casos, incomprensibles. Con ejercicios resueltos y explicados y multitud de ejemplos que te ayudarán a comprender el texto de una manera sencilla y práctica.

Bike riding is a lot of fun, but it can also be dangerous. Read about how people have made cycling safe over the years. Learn how bicycles have changed over time and how bike parts, equipment, and trails make cycling safer. Created in collaboration with the Smithsonian Institution, this Spanish book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from Smithsonian employees...

Build early literacy skills, and develop oral and written language skills in emerging Spanish readers with this leveled fiction reader.

Describes the life and times of the well-known hero of the American Revolution, Paul Revere, a patriot and silversmith whose midnight ride was made famous in a poem by Henry Wadsworth Longfellow.