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.

An elementary introduction to the workings of the human body, the skeleton, skin, circulation, and nervous system.

Julia nunca hubiera imaginado que podría vivir tantas aventuras aislada en una habitación de hospital. ¡Ni que aprendería tantas cosas! Y todo gracias a su amigo Bruno, a su abuelo y, sobre todo, a un personaje muy especial que resultará ser una auténtica autoridad en el mundo de los sueños. Una historia tierna y emocionante.

Learn how a designer's sketch becomes the fashion we wear and how a designer uses math and geometry to make their designs successful in this fashion-filled book! Including information about the fashion industry, clothing fabrics, patterns, and textures, readers learn all about the different aspects of the fashion industry. With a glossary, index, vivid images, informational text, and interesting facts, this Spanish-translated nonfiction book will engage students from beginning to end. This 6-Pack includes six copies of this title and a lesson plan.

Ahora las protagonistas son las chicas: desde las magical girls más encantadoras hasta las heroínas más aventureras.