Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

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.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

By day, Zoe Zhang is a fourth-grade bunny who loves reading books and playing soccer. By night, she's Robin Hoodie, a hero bandit who steals from the greedy and gives to the poor. When a dishonest city official bullies her family, she and her band of Merry Mates fight back. Kids will be captivated by this fast-paced adventure story that will appeal to reluctant readers. This short, 32-page chapter book features colorful, lively illustrations to capture the attention of kids who enjoy stories about underdog superheroes.

One of the most popular narrators of his time, Arthur Conan Doyle, was a visionary man with attitudes which were far ahead of his time. In this book we will know in depth his biography, his work, beyond the creation of the illustrious Sherlock Holmes, and his spiritualistic inquisitiveness.

Esta serie cuenta con un grupo de pequeños extraterrestres guardianes de la naturaleza que salen de su planeta en la búsqueda del mayor contaminador del universo, el perverso Zirt Zlunder. El se escapa y viene a vivir en el planeta Tierra. Este libro empieza, la saga de los Pequeños Guardianes alrededor del universo detrás del temible Zirt Zlunder, el mayor contaminador de todas las galaxias. Ellos le persiguen en un intento de detener a Zirt Zlunder antes de que llegue a Tierra para contaminar aún más nuestro planeta.

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.