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.

Narwhals are often called the "unicorns of the sea." But these fascinating creatures are members of the whale family. Read all about narwhals as you practice addition. 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 addition 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...

La última novela del ganador del Premio Renaudot des Lycéens y una de las voces más importantes de la literatura francesa contemporánea. «Una oda fascinante a la belleza, al arte y al amor.»Fabienne Pascaud, Télérama Cuando, hace diez años, la mujer de Éric Reinhardt le anunció que tenía un cáncer de pecho, la noticia resultó devastadora para él. A la operación, el doloroso tratamiento, el cuidado de dos hijos pequeños, se sumaba la incapacidad que el escritor sentía para protegerla en su inmensa vulnerabilidad. Ella, sin embargo, le propuso un trato: él debía terminar su...

Students will develop their geometry skills as they study the geometric shapes of modern art and read about the innovative artists who turned the art world upside down. This Spanish book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach geometry concepts. Text features include a glossary, an index, captions, and a table of contents to increase students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, math charts and diagrams, and sidebars provide many opportunities for students to practice...

Más que un libro de viajes, el presente texto es un libro sobre los viajes, sobre cómo y por qué puede alguien llegar a hacerse etnólogo, y sobre el modo en que se integran las aventuras del explorador y las investigaciones del científico hasta llegar a formar la experiencia propia del etnólogo. El autor trata de analizar estas cuestiones cotejando sus recuerdos y proponiendo un recorrido que no renuncie a los pintorescos detalles, pero que a la vez los sitúe en una perspectiva más amplia.