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.

El viaje de Colón es en realidad la gran aventura de un marino. Un hombre que pidió ayuda a unos reyes muy ricos para adentrarse en un inmenso y desconocido océano lleno de peligros y tempestades en busca de las Indias, pero que terminó llegando a una preciosa tierra hasta entonces desconocida para los europeos a la que llamamos América. De esta forma, su viaje se convierte en una verdadera aventura de marinos. Una verdadera historia de héroes que luchan contra los elementos para realizar una hazaña escrita con letras de oro en los libros de historia de la humanidad.

Little readers will learn the essentials of the United States Marine Corps (how the Marine Corps keeps us safe, various jobs, weapons and machinery, and more) through easy-to-read, simple text. Readers will love the exciting full-bleed photographs, bolded glossary terms, and More Facts section. Translated by native Spanish speakers. Aligned to Common Core Standards and correlated to state standards. Abdo Kids is a division of ABDO.

1 cola larga tenía Argentinosaurus, 2 garras tenía Deynonichus... Un impactante recorrido desde el 1 hasta el 10, para descubrir cómo eran, cómo vivían y a qué deben su nombre los dinosaurios. Ilustrado por el paleoartista argentino Gustavo Encina.

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.