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 selection of dazzling, full-color graphic novels offer an appealing way to deliver social studies content, chronicling the lives of inspiring individuals, from important historical figures to famous musicians.

Todo el mundo habla del cambio climático, pero ¿es verdad todo lo que dicen sobre él? Palmeras en el Polo Norte nos responde a algunas preguntas que todos nos hacemos: ¿cómo está cambiando nuestro entorno? ¿A quién le va a afectar esa transformación y por qué? Este libro habla de la contaminación, de devastadores huracanes, de animales extinguidos y de osos polares; también de volcanes, icebergs, mamuts y científicos que pasan mucho frío; en definitiva, de un fenómeno que nos afecta a todos y de lo que estamos a tiempo de hacer por nuestro planeta.

Did you know that jellyfish are found in every ocean? A group of jellyfish is called a bloom. Learn more about these stinging drifters in All About Jellyfish.

En este libro, Canela, recopiló cuentos de las distintas corrientes inmigratorias que conforman nuestro país. Son relatados contados desde los propios protagonistas, que traen la voz de cada cultura.