La tumba tenebrosa

Más de 80 fotografías, 20 mapas y diagramas en color * En los próximos diez años, el planeta Marte entrará en un periodo de observación excepcional: se aproximará mucho a la Tierra y presentará un brillo y un diámetro aparente sobresalientes, por lo que será fácil observarlo con sencillos instrumentos astronómicos. Con el fin de que los astrónomos aficionados puedan disfrutar al máximo de la actualidad de Marte, esta guía establece de forma clara y concisa cuáles so los conocimientos actuales acerca del planeta rojo y ofrece consejos útiles para una mejor observación a lo...

Memorial Day is an important and special holiday, but some people forget why we celebrate it. On the last Monday of May each year, people around the country gather and remember the men and women who've died while serving in the U.S. military. This educational book encourages readers to reflect on the sacrifices military personnel make to protect our country. This book also touches upon the more lighthearted side of the holiday and the different types of celebrations that people have each year. Featuring full-color photographs and accessible text, this book is sure to engage beginning readers.

This Title Introduces Students To The World Of Agriscience With In Depth Information On How Animal Science Affects Our Daily Lives. Also Gives A Wide Array Of Careers In This Growing Field, From Biologists To Geneticists, To Zoologists.

Newton's laws aren't the easiest science topics to digest. Struggling readers likely find understanding them even harder. This volume breaks down the topics of force and motion to its most basic and understandable parts, perfect to introduce to readers having a hard time or students looking to review for class. Written in succinct language, each chapter contains fact boxes and graphic organizers to aid all readers as they move from speed, to velocity and on.