¿Qué significa ser carpintero? (What's It Really Like to Be a Carpenter?)

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

Una visión actual de la armonía no clásica. Desde los conceptos musicales más básicos hasta la armonización de una melodía. Herramienta básica para iniciar estudios de esta materia.

"Estos son los poemas breves de su epoca de juventud, que fueron anos de enamoramientos y de actividad rebelde contra Somoza. Algunos de estos poemas son amorosos y otros politicos, y tambien algunos a la vez amorosos y politicos."

From war and death to school and gender equality, the Sociedad series discusses many serious issues in a way that can be easily understood by children. Although many of the situations and examples are specific to Mexico, these books can be applied to a general readership, particularly one of Hispanic origin. Reflecting on modern sciences, particularly biotechnology—from its limitations to its advances—this perceptive study answers many questions concerning cloning and genetically modified organisms, such as Why do scientists work in these arenas? What are the benefits of this technology?...

Justo cuando más se preguntaba acerca de cómo sería su vida ahora que comenzara a usar brasier, una joven se percata de que todos los brasieres de su mamá han desaparecido. A partir de este extraño suceso, madre e hija se volverán cómplices entrañables en la lucha contra el causante de todo: el cáncer de mama.