Energía del viento

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

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...

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

During the 20th century, Texas grew from a land of farms and ranches to a state filled with large cities and industries. This fascinating title is a great introduction to Texas history, Texas social life and customs, and Texas economic conditions throughout the 20th century. The intriguing facts and vivid images work in conjunction with the supportive text and accommodating glossary and index to give children an opportunity to enhance their vocabulary and literacy skills while learning about the exciting history of Texas! This book has been translated into Spanish.

Dexter is displeased. Like any self-respecting, totally decent, soundly homicidal guy, Dexter Morgan takes great pride in his work and is careful to remain anonymous. As his colleagues grow more paranoid of the killer in their midst, Dexters position is increasingly perilous. He is running out of time to track down this copycat.

In cartoon format, uses vampires to explain the science of cells. Fully translated Spanish text. En esta novela gráfica, los vampiros explican la ciencia de las células.

Identify three-dimensional shapes all around the world in this Spanish-translated e-Book! Figuras en nuestro mundo (Shapes in Our World) gives readers practice identifying familiar shapes like cones, cylinders, pentagons, polygons, and prisms, while familiarizing them with STEM themes and more advanced geometry concepts. Children will learn more about vertices, symmetry, and bases. With each shape, this book gives readers information about an example of the shape, be it a building, a honeycomb, or a tree trunk! With an accessible glossary, clear mathematical diagrams, practical examples, and...