Lo que los fósiles nos enseñan sobre la Tierra (Investigating Fossils)

"Describes the U.S. Army in action, including their vehicles, weapons and equipment, and jobs."--From source other than the Library of Congress

¿Quieres saber cómo eran las peleas de gladiadores, cómo se construían los acueductos o qué significan las palabras "Mare Nostrum"? Pues estás de suerte... ¡Hoy, los chicos de la Hispania del Imperio Romano serán tus guías particulares! Te llevarán por las calles de sus ciudades y te mostrarán el gran circo, los talleres de los artesanos, los mercados, los templos y mucho más. ¡Juntos aprenderéis cómo era un día en la vida de esta increíble civilización de la antigüedad! Escrito por Pedro Pérez, profesor y creador del canal de YouTube "El cubil de Peter", donde divulga...

The nineteenth century was a time of huge growth and prosperity for California. Although the Gold Rush lasted only seven years, California provided other opportunities for those who emigrated there in search of a better life. This Interactiv-eBook focuses on the history of San Francisco, Los Angeles, Sacramento, and Fresno, and the people and events that influenced their transformations from small towns to booming cities. This nonfiction text builds literacy and social studies content knowledge through the use of intriguing primary source documents like maps, letters, images, articles, and...

Coders are one of the reasons our computers, tablets, and smartphones can do things we couldn't have even imagined just a few years ago. It's no surprise that coders are in high demand right now and that isn't likely to slow down. Readers will learn about the basics of coding and how to turn their creative ideas into reality on the computer screen. They'll also understand why coding will become even more important as technology continues to grow and change. Colorful photographs showing the roles and education of a coder provide readers with an easy way to envision themselves in this...