La resolución de problemas

Essays by well-known climbers accompany a range of superb color landscape photographs that echo the great traditions of the Ansel Adams and the Sierra Club large format books of the 1970s.

The inspiring and timely story of Sonia Sotomayor, who rose up from a childhood of poverty and prejudice to become the first Latino to be nominated to the US Supreme Court. Before Supreme Court Justice Sonia Sotomayor took her seat in our nation's highest court, she was just a little girl in the South Bronx. Justice Sotomayor didn't have a lot growing up, but she had what she needed -- her mother's love, a will to learn, and her own determination. With bravery she became the person she wanted to be. With hard work she succeeded. With little sunlight and only a modest plot from which to grow,...

Sherlock Holmes había dado ya muestras de su genio en Estudio en Escarlata y en El signo de los cuatro, pero los lectores no se dieron cuenta de su genialidad. Entonces a Conan Doyle ¿a Watson? se le ocurrió la brillante idea de pasear al detective por una serie de relatos cortos. Empezó publicándolos en la revista Strand en julio de 1891. En octubre, cuando sólo se habían publicado tres historias, los editores le imploraban más aventuras de Holmes, el público agotaba las ediciones y Doyle subía sus tarifas. La presión del público era tal, que antes de terminar los doce relatos...

The Bill of Rights is one of the most important parts of the United States Constitution. Understanding this document is a vital part of understanding the rights we have as American citizens. This informative volume delves into each amendment of the Bill of Rights and looks at the important people and political decisions behind them. Graphic organizers, charts, and primary source documents supplement this already richly informational resource.