La historia del fuego

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

Esta recopilación de poemas se ha escrito para ti, amiga y amigo mío… Sirvan para otorgar un crecimiento en tu amor hacia el prójimo, para vivirlo de manera mayor al que vives hoy.

Una novela para sentirla y vivirla en imágenes, a modo de guión cinematográfico, listo para rodar. Una historia de máximo interés para los jóvenes de hoy.