El Tesoro Perdido de la Cueva del Dragon

Give students insight into the Industrial Revolution, how it influenced innovation and employment in the United States, and how it changed the lives of Americans at the beginning of the 20th century. With this nonfiction Spanish-translated book, readers will learn about assembly lines, patents, labor unions, child labor laws, labor unions, muckrakers, and immigrant and slave labor. Colorful images, supporting text, a glossary, and other features keep students engaged and help them better understand the content.

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.

From Stonehenge to the Bermuda Triangle, there are many places on Earth that remain a mystery to scientists! Readers will discover these curious places--and more!--as they move through this fascinating, Spanish-translated nonfiction title. This mysterious book features detailed images, informational text, and stimulating facts and theories in conjunction with upper-level features, such as chapter format, a glossary of terms, and an index.

Lograr y mantener el rendimiento a través de la dieta. El rendimiento es una búsqueda diaria cuando se desea obtener los resultados de un deporte de alto rendimiento. Además de un entrenamiento diario más o menos intensivo, es importante conocer los entresijos de una buena nutrición deportiva diaria. Para hacer esto, hágase las preguntas correctas: ¿Practica un deporte y quiere alcanzar un nivel superior?¿Quiere saber las bebidas adecuadas para una hidratación óptima?¿Se pregunta sobre las necesidades energéticas del deportista?¿Quiere saber la cantidad de comidas por día y su...