Productores y consumidores (Producers and Consumers)

Most of the Earth's changes happen over millions of years, but earthquakes can force significant changes to the land in just a few moments. Readers will learn the science of plate tectonics and its role in the development of earthquakes around the globe. They will also learn that not all rocks are created equal. In fact, rocks are all different ages! This Spanish-translated book concludes with images of the damage and destruction that earthquakes can cause.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

In this Spanish title, learn about what makes endangered jungle animals so unique and why they need to be protected.

A tale of the scary fantasies that arise in the darkness, the fear of cruel and wicked beings, and the desire to be protected.

La maldición de Chaka, obra excepcional dentro de la producción de Henry Rider Haggard (célebre sobre todo por Las minas del rey Salomón, Allan Quatermain y Ella), trasciende la novela de aventuras para ofrecernos una narración rebosante de la historia mítica del pueblo Zulú, de épica y de elementos sobrenaturales. La historia, referida por el viejo Mopo a un misterioso viajero, nos habla de los grandes acontecimientos que tuvieron lugar durante el reinado del cruel Chaka, fundador del imperio Zulú (un mito y un dios para su pueblo, que se empeñó en matar a todos sus hijos para no...

Edgar Sawtelle es un niño mudo que se comunica solo en lengua de signos. Lleva una vida apacible y feliz junto a sus padres y su inseparable amiga y aliada perra. Pero el inesperado retorno de Claude, el hermano del padre de Edgar, a la granja después de muchos años, romperá la tranquila y feliz vida de esta familia y cambiará su destino, de forma irreversible, para siempre.

Today’s computers come in all shapes and sizes, but not many people actually know how they’re made. The journey from circuits and wires to a ready-to-use computer is a fascinating exploration of science and engineering. Readers get a look inside their laptops, desktops, and even their tablets as they’re shown step-by-step how these electronic marvels are assembled. Readers will love knowing what goes on inside their own machines, and color photographs and simple instructions will show them how they can build their own computer!