Exploremos el ciclo de la roca (Exploring the Rock Cycle)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

These biographies introduce young readers to important figures in American history. Ideal for reports and correlated to the social studies curriculum, the series presents a straightforward account of each individual's life and times and describes how each person contributed to the shaping of our nation.

The story of Spanish explorer Alvar Nunez Cabeza de Vaca brims with his adventures and misadventures throughout the North American Southwest. As of the sixteenth century, no European had journeyed over such a large extension of territory, from the Florida Peninsula to northern Mexico, and survived. This lively and informative volume goes on to examine his eight years of wandering in this unknown land, during which he learned natural medicine from the American natives and became a curandero, learned their languages, and served as a trader and peacemaker among different tribes. Vibrant...

Read Along or Enhanced eBook: Learn about the different places that people call home--from apartments to cottages and castles to farmhouses. With bright, vivid photos and easy-to-read informational text, this Spanish-translated nonfiction title introduces readers to different cultures' definitions of "home."

Mi nombre es Pla y soy una niña de 11 años que tengo como misión de vida cuidar el planeta, pues la naturaleza se está acabando. Cada vez es menos «natural» y más «humana». Pienso que llevar una vida sustentable es respetar la Tierra y a quienes nos rodean. Si lo hacemos, nos servirá para que los recursos duren más y podamos vivir de la mejor forma posible. Si cuidamos los recursos, el planeta logrará sanarse y bajará la temperatura que ha aumentado en las últimas décadas. Si bien los adultos toman muchas decisiones, ¡tú también puedes hacer lo tuyo y decidir vivir de mejor...