¿Foca o león marino? (Seal or Sea Lion?)

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

Published over 30 years ago, Nine Days to Christmas remains fresh and relevant. Ceci's first Christmas posada party and pinata have made her Mexican town come alive for generations of readers. "The youngest child will be completely transported by this lovely story".--The Atlantic. Three-color illustrations.

Many desert animals around the world are in danger of becoming extinct. In this enlightening, Spanish-translated nonfiction title, readers will learn a few of the causes of extinction in the desert and what problems extinction causes for animals, wildlife, and humans alike. Through vibrant photos of beautiful animals and stunning facts in conjunction with informational text and useful charts and diagrams, readers will learn and understand concepts such as habit loss and learn ways that animal activists help to protect animals and their environments, as well as helpful tips to get involved in...

Hoy en día, prácticamente todo el conocimiento humano se encuentra al alcance de nuestra mano: basta hacer tres clics en Internet. Pero, ¿cómo llegamos a adquirir dicho conocimiento? Hicieron falta cientos y en ocasiones miles de años para comprender lo que en la actualidad nos parece evidente. El conocimiento es una aventura, una odisea extraordinaria cuyos pormenores se narran en esta colección. ¿A qué se parece el Universo? A lo largo del tiempo, esta pregunta ha dado lugar a las más diversas y contradictorias respuestas. El Universo fue redondo, luego plano, cortado en dos, luego ...