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.

Teach students about the years of change and reform between World War I and World War II. With this Spanish-translated book, readers will learn about events such as the Harlem Renaissance, suffrage, the stock market crash on "Black Tuesday," and the Great Depression. Primary source documents and images, and other engaging features, aid students in understanding the social studies content.

La novela traza una l&ínea que separa al hombre del genio. El azar te regala el talento; la t&écnica y el estudio lo sacan a la luz. Lo que uno tiene dentro es lo que te hace pintor. Hay artistas que atesoran, dentro de s&í, cuadros que nunca podr&án ense&ñar a nadie al no tener la habilidad de sacarlos de su mente. Pero... &¿y si la obra maestra ya existe y no coincide con la visi&ón del genio creador? &¿Y si adem&ás ya cuelga en una catedral del arte?, &¿qu&é hacer entonces? Se impone una soluci&ón dr&ástica: es preciso robar el cuadro. El genio, su hijo, un falsificador y un...

A collection of words that turn into phrases, phrases that form verses, verses that make songs and songs that tell of adventures, jokes and mischief.

Most young astronomers know that Earth is located in the Milky Way galaxy, but they might not know what that means or what lies beyond. Understanding our galaxy and others will help them comprehend more about how the universe works. Your readers will discover many amazing and memorable facts about galaxies, including their differing shapes, numbers of stars, and constant movement. They'll especially love the mind-boggling images of the depths of space.