Mercados del mundo (World Markets) 6-Pack

Introduce readers to the various ways they can participate in volunteerism with this Spanish-translated nonfiction title. Readers will discover many different charities and programs, including The Salvation Army, Feeding America, Habitat for Humanity, and Doctors Without Borders through vivid images, charts, and informational text. This nonfiction title aids in encouraging children to make a difference in their own communities by writing to newspapers or politicians or by participating in fund-raising and various programs or charities.

Mathematics constitutes ideal material for exercising the art of learning and thinking. For this it is necessary that the classroom has a stimulating atmosphere which requires determined attitudes and beliefs. The book combines theory and practice and responds to questions such as these: to think in the mathematics class? on what does the knowledge of solving problems really consist of? what are the beliefs and which are the most common ones among the students? how to diagnose, evaluate and, in some cases to modify, the systems of beliefs of the pupil?).

Este libro ilustrado para nianos y jaovenes nos lleva a un viaje a travaes del tiempo para descubrir algunas de las estructuras maas asombrosas que la humanidad ha construido a lo largo de su historia.

Como los anteriores libros de la colección, este práctico manual se estructura en seis secciones básicas. La primera explica la especial naturaleza del vidrio. Este material, pese a ser muy común, es un sólido especial, con un comportamiento que hay que conocer antes de abordar cualquier manipulación de conservación. Las demás secciones tratan, mediante dieciocho ejemplos explicados paso a paso, sobre los tipos de deterioro, las pautas de conservación y unos ejemplos de restauración abordables por cualquier persona, sin que precisen herramientas especial ni el empleo de productos...