Al descubierto el auto de carreras

As a successful former slave, Clara Brown used her money to help other freed slaves get a new start in life. In 1859 Clara bought her own freedom and headed west to Colorado to find her daughter, who was sold when she was just a little girl. Clara didn't find her daughter there, but she did get rich. The people she helped became her family, and she became known as "Aunt" Clara Brown.

En los últimos años, el inglés como lengua extranjera en la mayoría de los ámbitos de la vida cotidiana ha cobrado especial relevancia. De esta manera, el proceso de globalización impone el uso de este idioma para la negociación y gestión de operaciones de comercio internacional. A lo largo de este manual, se presentan una serie de pautas gramaticales y de expresión de la lengua inglesa en relación con las distintas actividades que se pueden desempeñar en los entornos laborales internacionales. Así, se fomentan una serie de habilidades lingüísticas, como la comprensión y...

Colorful photographs and English and Spanish text teach children some of the many things different animals can do, from fly and swim to eat and do tricks. On board pages.

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.