Los biocombustibles

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

El Mayflower es un barco que ha llegado a ser célebre en la historia de los Estados Unidos porque en 1620 transportó desde Inglaterra al grupo conocido como "los peregrinos", quienes serían los primeros colonos europeos en establecerse en Norteamérica. Ellos zarparon desde el puerto inglés de Southampton y bautizaron como Nueva Inglaterra a la tierra que los acogió. Como señala este libro, el Pacto del Mayflower designa el acuerdo que los hombres adultos de esta comunidad firmaron a bordo del barco para fijar criterios generales que sirvieran como fundamento para el gobierno de la...

Follows The Thirteenth Amendment That Freed The Slaves, The End Of The War, And The Death Of President Abraham Lincoln.

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.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

Después del gran éxito de sus libros Mis animales y Mi circo ¡Deneux nos invita a soñar! Descubre que la noche está llena de sorpresas. Xavier Deneux estudió en la Escuela de Arte de París. Ha ilustrado más de 20 libros para niños. Actualmente vive y trabaja en París.

Find out about the different types of winds, including global winds, trade winds, local winds, and breezes. Learn about extreme wind weather like hurricanes and tornadoes. Translated title: Gusts and Gales: A Book About Wind

In this basic concept, Spanish-translated nonfiction book, bright photos and simple, Informational text encourage beginning readers to compare sizes to find what's big and little in their world! This 6-Pack includes six copies of this title and a lesson plan.