El ferrocarril transcontinental (The Transcontinental Railroad)

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

Hasta hace pocos años, el oso panda era desconocido fuera de China y el Tibet, sus hábitats naturales. Pero desde que se logró su aclimatación en algunos parques zoológicos, se ha convertido en uno de los animales más queridos por los niños. En este volumen, conocerás cómo vive en libertad, alimentándose exclusivamente con brotes tiernos de bambú, cuya escasez es una de las razones de que el oso panda necesite de la protección del hombre para sobrevivir.

Readers are introduced to some of the most well-known criminals and tyrants of the past in this exciting nonfiction reader. Featuring intriguing facts and theories, colorful images, and informational text in conjunction with a glossary of terms, a bibliography, and a list of helpful websites with more information, this text will make readers want to learn all they can about ancient history and the bad guys and gals from the past. This book has been translated into Spanish.

Por primera vez en español se presenta una amplia muestra de la poesía coreana contemporánea. Un cuerpo poético íntimamente vinculado a la naturaleza, cuyo predominio temático con la soledad, la meditación, la contemplación de los misterios de lo cotidiano y del mundo. Han Yung Un (1879-1944) es uno de los poetas más apreciados de la literatura moderna coreana. En él se funden el renovador del espíritu poético de una época y el apasionado independentista opuesto a la dominación japonesa.

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...