Our Little Heroes / Nuestros pequeños héroes

Aprende y Descubre La Ciencia Co mo crece una semilla Co mo puede una pequen a bellota crecer hasta llegar a ser un gran roble? Este libro nos ensen a los secretos de las semillas. Le elo y aprendera s a transformar un sobre de semillas en un precioso jardi n.

Martín De León was the only Mexican empresario to found a colony in Texas. This book also details De León’s integral role in the development of the cattle industry, along with other accomplishments that have made him a compelling figure in Texas history.

Este volumen te descubrirá aspectos inéditos de la vida de especies de felinos distintas al león y el tigre, que ya conoces por otros tomos de nuestra colección "Animales salvajes". Ahora te presentamos felinos como el leopardo, la pantera, el jaguar, el guepardo y otras especies de felinos de pequeño tamaño, como el lince, el ocelote, el puma o el gato salbvaje. Conociendo la forma de vida de estos hermosos felinos, aprenderás a amarlos y a defender su conservación.

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.