A Veces Siento Preocupación

This upper-level text, perfect for art and culture courses, introduces students to the customs and history of Spain. This volume features a wide variety of readings, cultural activities, and 600 questions about the history, literature, art, and traditions of Spain, as well as a CD-ROM of interactive activities.

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...

Martin Luther King, Jr. used peaceful protests to become one of the worlds greatest African-American Civil Rights leaders. Readers will learn all about his interesting and inspiring life in this engaging biographical reader that features informational, Spanish-translated text, vibrant images and a timeline of Kings life.

El mundo está lleno de cuestiones científicas y técnicas que parecen sacadas de un universo de ciencia ficción. Pero... ¿se suponía que iba a ser así? Los científicos nos prometieron coches voladores, turismo espacial y robots superinteligentes. Pero aunque vemos avances en todos esos campos cada día, la realidad es ligeramente distinta. En este libro se habla de ese futuro prometido y de dónde estamos: del origen de internet, de los primeros ordenadores y hackers y de la carrera espacial, con explicaciones e ilustraciones fáciles de entender. Sin olvidar la importancia de la...