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.

This book introduces you to giraffes, including their size, diet and everyday behavior, which highlights differences between those in the wild and those living in a zoo habitat.

Material didáctico, sencillo y práctico, estructurado en ocho ejes temáticos que recogen todos los elementos del sonido.

Este tomo de "Animales Salvajes" lo hemos dedicado a un grupo de aves que se distinguen de las demás por tener las patas y el pico muy largos. Son las aves zancudas, de las demás por tener las patas y el pico muy largos. Son las aves zancudas, de las que vas a conocer las especies más importantes (garzas, cigüeñas, pelícanos, espátulas, ibis, etc.), sus hábitats y sus costumbres. ¿Sabías que el ibis fue un animal sagrado del Antiguo Egipto?

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.