Los biocombustibles

A simple biography of the naturalist who founded the Sierra Club and was influential in establishing the national park system.

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.

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Learn all about the incredible things your heart, lungs, arteries, and circulatory system do and how to keep them healthy and strong! With vibrant images and informational text in conjunction with supportive diagrams and stimulating facts, this Spanish-translated nonfiction title introduces readers to basic biology and vocabulary. This 6-Pack includes six copies of this title and a lesson plan.

Did you know that baby butterflies look like worms with legs? Caterpillars turn into butterflies inside a shell. Discover more about these flying insects in Butterflies, part of the Life Cycles series of EYEDISCOVER books.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how testing works in the real world. In this book, a narrator freezes water to make ice and makes sure his process worked. This nonfiction title is paired with the...

Este poemario es el mapa de los silencios entre cada latido y su madrugada. Contiene los ecos, sus ecos. Son las huellas de un sueño que quedó en esbozo. Que tiñó mi alma de los colores más brillantes y la dejó para siempre desnuda. Son versos de silencio. Sus espinas son inevitables y como todas me recuerdan que viví con intensidad cada instante tras aquel espejo donde todo resultaba demasiado bello para creerse de verdad. Puede ser la última página escrita de ese libro de final precipitado, casi abismal. Dicen que esa última parte llega solo con la muerte, que siempre se anda...