El eco del silencio

La colección ESTRATEGIAS DE SUPERVIVENCIA recoge todas aquellas tretas, señuelos y actividades que desarrollan los animales y las plantas tanto para defenderse como para atacar, para sobrevivir en medios hostiles, para reproducirse con éxito entre los dep

Travel to the 22nd century in this captivating, Spanish-translated nonfiction title that allows readers to discover the future of space. Elementary readers will be fascinated with the possibilities that may await human life in the future. Readers will discover the technology that may be used to one day allow humans to live on another planet, new worlds, alien life, and artificial intelligence. Featuring vibrant photos, images, informational text, a glossary of terms, and a list of helpful websites for more explorations, children will be excited and enthralled as they move through this title.

Introduces the concept of heat, how it's created, how it affects materials around it, and how heat is used.

Looking at VENEZUELA: Did you know that Angel Falls, in Venezuela, is the highest waterfall in the world? Looking at Venezuela, you will see the snow-covered peaks of the Andes Mountains, the flat-topped cliffs of the Guiana Highlands, and the colorful plants and animals of the rain forest. Learn about life in Venezuela, from the Maracaibo Basin to Margarita Island and from oil rigs to orchids.