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.

A tale of the scary fantasies that arise in the darkness, the fear of cruel and wicked beings, and the desire to be protected.

Have you ever thought about how a soccer field is different from a football field? Or how a tennis court is different from a basketball court? Each sport has a surface with a purpose! Explore partitioned shapes with this Spanish math book that seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, sidebars, and math diagrams...

Diego Armario, Licenciado en Ciencias de la Información por la Universidad Complutense de Madrid, institución donde que cursó estudios de Psicología, es autor de La España de los 50 a través de Bardem y Berglanga, El Triángulo: el PSOE durante la transición, La muerte de un Señor de Quinta (finalista del Fernando Lara 2003), La Hora Cero (Almuzara 2005) y Universo Alzheimer. En la actualidad, además de colaborar en distintos medios de comunicación con artículos de opinión, participando en tertulias radiofónicas y conferencias, es profesor de la Universidad san Pablo CEU, miembro ...

Young readers are introduced to the many changes children experience in their early years. The simple text takes readers on a journey from the day a child is born through the first six years of life.