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...

La madre de Lucía ha muerto. Ahora los secretos, los misterios y las aventuras no han hecho nada más que comenzar... Lucía entra en Alma de la Tierra, un mundo en el interior del planeta repleto de magia y maldad donde conocerá a Max e ingresará en Savards, el Hogar de las Ocho Torres. Juntos no solo descubrirán los misterios de la magia, sino también los del amor. Sin embargo, el robo de un objeto legendario les obligará a abandonar la seguridad de Savards para iniciar un peligroso viaje a través de Alma, en el que se enfrentarán a todo tipo de enemigos. Y es que tendrán que...

Testigo inigualable de su tiempo, Francisco de Goya fue un pintor y grabador versátil que lo mismo retrató a la corte, sus fiestas y juegos, que los horrores de la guerra. Ácido e incisivo cuando se asumía como crítico, fue también delicioso y grácil al celebrar la belleza y el placer cortesanos. Un acercamiento a un hombre que, a pesar de su sordera, supo escuchar mejor que nadie las contradicciones de El siglo de las luces. An unequaled witness of his time, Francisco de Goya was a versatile painter and engraver who portrayed both the court, with its parties and games, and the horrors ...

Gender studies of Spain has thus far focused almost exclusively on women, leaving the social and political history of male homosexuality virtually untouched. "'Los Invisibles'" fills this significant gap in the study of Spanish culture by analyzing the effects of medical and legal regulation on male homosexuals. Drawing from the discourse of medical history, Richard Cleminson and Francisco Vazquez Garcia evaluate the impact of psychiatry, education, race, and the growth of gay subcultures on cultural representations of homosexuality in this pioneering study.

Recess is a time to go outside, have fun, and play. Spend some time problem solving to make sure everyone has fun at recess! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning problem solving easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides additional learning...