Eres Polvo de Estrellas

Provides an introduction to the concept of patterns, using examples from the coats and feathers of animals as well as the designs some make.

Como en el afamado cuento, Caperucita Roja y su abuela salen ilesas. Pero esta historia no termina bien... para el libro. Almas sensibles y amantes de los libros, ¡favor de abstenerse!

An innovative tool supports high school students and teachers in the area of language and communication. PP.

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?...