Hasta que el cielo se apague

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...

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

En reconstrucción existe una preocupación por el ser humano, su estancia en el mundo y su forma de comprender y relacionarse con los demás seres tanto humanos como no humanos, es decir, con el otro y con lo otro. Cuerpo, Casa, Mundo, las tres partes que componen el libro, son metáforas de los espacios que habita el ser humano y que se cruzan y entrecruzan construyendo un universo que es necesario interrogar y comprender desde múltiples opciones y perspectivas, pero que, casi irremediablemente, cambia cada vez que se observa e intenta predicarse algo sobre él.

One of the most popular narrators of his time, Arthur Conan Doyle, was a visionary man with attitudes which were far ahead of his time. In this book we will know in depth his biography, his work, beyond the creation of the illustrious Sherlock Holmes, and his spiritualistic inquisitiveness.