Shamsung La pequeña Mofeta

It's time for a rip-roaring adventure with animals as tour guides! Six intriguing animals take young readers on a tour of their homes and habitats, talk about their families, and describe what daily life is like for a wild animal.

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

Un libro para saber mucho más sobre el petróleo, también llamado "oro negro". ¿Cómo se ha formado a lo largo de los siglos? ¿Es la única fuente de energía que existe? Incluye un CD con imágenes y un póster gigante para conocer algo tan familiar y, a la vez, tan desconocido.

Presents the life story of the Mexican-American labor leader who helped achieve justice for migrant farm workers by creating a union to protect their rights.