La Pelota Perdida

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

¡Los gorilas son los primates ma ́s grandes del mundo! Estos amables mami ́feros deambulan por la selva,viven en grupos grandes y buscan frutas y brotes de bambu ́ para alimentarse. Sube a los a ́rboles y conoce a estos poderosos y amigables primates.

There are lots of families, but no two are exactly the same. Conoce la familia, a fully translated Spanish edition of Meet the Family, celebrates our most precious relationships. Each title opens doors to a variety of homes and reveals the many ways people combine to form families.

Color photos and easy-to-read text five a realistic insight into the typical working day of an on-the-job zookeeper.