El Espacio Exterior

Read Along or Enhanced eBook: Take a trip to the ends of the universe and introduce early elementary readers to beginning astrological ideas and concepts including galaxies, planets, asteroids, and the entire universe. This fascinating title features bright images, charts, diagrams, and informational, Spanish-translated text.

Explore our solar system and Earth's place in it as readers flip through the pages of this Spanish-translated nonfiction title. Featuring vibrant images in conjunction with accessible charts and diagrams, readers will be fascinated from cover to cover!

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

The Underground Railroad was the massive effort by slaves and free people to secretly bring thousands of blacks to freedom in the North during the 19th century. This thought-provoking book will capture readers’ imaginations and fill them with awe for the brave “conductors” and “passengers” on the Railroad. They’ll learn about the many safe havens, called “depots,” that housed fugitives and the secret passages within them that hid slaves from their pursuers. Information about the American Civil War and the Fugitive Slave Act, biographies of figures vital to the Underground Railroad,...

Pocos escritores han tenido una vida tan paradójica como H.P. Lovecraft, el excéntrico y solitario «escritor de espantos» de Providence, considerado por todos como el gran maestro del horror sobrenatural. Sin embargo, Lovecraft murió en el más completo anonimato, sin haber visto editado en vida un volumen de sus narraciones. Fue un misántropo incurable, y sin embargo era apreciado por todos los que le conocieron y se vio rodeado por un círculo de fieles admiradores que lucharon denodadamente para rescatar su obra del olvido. Fue un gran materialista científico enfangado en...

La configuración de las mercancías en unidades de carga es un factor clave para asegurar la calidad en el transporte y la manipulación de las mercancías. Este manual reúne los conceptos fundamentales acerca de la formación de las unidades de carga para su traslado en todos los modos de transporte, con el fin de garantizar que alcancen su destino en el momento previsto, en óptimas condiciones y con el mínimo costo. Se definen los elementos que otorgan seguridad y estabilidad a la unidad de carga, los envases y embalajes, las tipologías de las cargas y los tipos de unidades de carga,...