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 través de textos y crónicas que juegan en la delicada línea entre lo completamente personal y aquello que es extrapolable a lo universal, Eduardo Halfon nos habla de la lectura, las bibliotecas y la escritura. Bajo esas temáticas podemos descubrir la genealogía familiar, los prejuicios de clase, y hasta breves anécdotas tan íntimas como intimidatorias. En un pequeño libro, un gran mundo.

This simple introduction to the symbols, celebration, and traditions of Christmas looks at the holiday from a child's point of view.

During the summer, it is warm outside. During the winter, it is cold. This is because of seasons. This Spanish science reader introduces students to the seasons. With easy-to-read text and vivid images, this book teaches students important scientific subjects and vocabulary terms like migrate, hibernate, cycle, and harvest. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, and bold font to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical...

Hace mucho, mucho tiempo, existieron en el mundo 7 construcciones arquitectónicas que desafiaron los conocimientos y medios de que disponían los hombres de aquella época. p.p1 {margin: 0.0px 0.0px 6.0px 0.0px; text-align: justify; font: 16.0px Arial; color: #000000; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} En el mundo antiguo, estas maravillosas construcciones fueron relatadas, en especial, por los antiguos griegos, sobreviviendo su historia y sus leyendas hasta nuestros días. Os presentamos esas 7 maravillas en este libro de forma muy gráfica y esquemática. Con...