Salvar a las aves migratorias

This nonfiction book explores the history, culture, customs, and beliefs of California's American Indian tribes including the Chumash, Tongva, Hupa, Yokuts, Quechan, and Coso tribes. Detailed primary source images in conjunction with Spanish text provide 3rd grade students with an inviting reading and learning experience as they build their social studies knowledge. This book includes basic informational text features including a glossary, an index, table of contents, and reader's guide. Students will be intrigued by Native American history with this fascinating nonfiction Spanish book.

"Roberto has to watch his family's sheep, but he finds it boring. He tries to get what he wants by crying wolf. But what happens when there is real danger?"--

Una verdadera clase de paleontología para niños (y para mayores). Asesorada por verdaderos doctos en la materia, Aliki nos adentra en el fabuloso mundo de estos gigantescos animales prehistóricos, haciéndonos ver las diferencias entre varias especies, y l

Este texto de Química, dirigido a los alumnos de segundo curso de Bachillerato fue diseñado y proyectado para conseguir unos objetivos: pretende, partiendo de unos contenidos mínimos, conducir al alumno hasta aquellos que, por ser necesarios para afrontar una enseñanza superior, le serán exigidos por la Universidad o una Escuela Técnica. También incluye una serie de problemas con sus soluciones.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.

Invite readers along on the preparations for a soccer tournament! With informational, Spanish-translated text, vibrant photos and charts, children are engaged from cover to cover while utilizing mathematical skills to increase understanding of all aspects of soccer, including sportsmanship and tournaments.