Atlas de música

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.

Cuando Paula, una niña inquieta y curiosa, conoce al Guardián del Tiempo no se imagina la gran aventura que la espera. Ambos viajan cuatro mil quinientos años hacia el pasado y la pequeña se sumergirá de lleno en la época del Neolítico. ¿Qué singulares aventuras le esperan a la intrépida protagonista? Una historia de amistad, valentía y superación de dificultades.

Mariana the the sea turtle and her fellow hatchlings have an adventure on their first trip to the ocean.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...