Exploremos las rocas sedimentarias (Exploring Sedimentary Rocks)

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.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

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.

Making money takes hard work and determination. This informative, Spanish-translated nonfiction book encourages readers learn some of the basic skills for earning and saving money through moneymaking projects, entrepreneurship, patents on their own creative ideas, and fund-raising. With an emphasis on mathematic concepts such as interest and percentage, readers will have the tools they need to kick start responsible personal finances. Through bright images, informational text, accommodating charts and diagrams, readers will be inspired to earn and save money in ways they find fun and...

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

Arsenio Colinas es un ladrón de guante blanco que actúa sin emplear la violencia. Su última víctima es la condesa de Tellington, una anciana mujer muy rica poco merecedora de su fortuna, a quien acaba de robarle sus joyas más valiosas conocidas como “los instantes perfectos”. Pero la inteligente nieta de la condesa, Cecilia, se cruzará inesperadamente en el camino de nuestro ladrón. Juntos descubrirán que las joyas robadas tienen un valor personal incalculable.

El romancero ha sido durante siglos vehículo de transmisión viva y directa de multitud de temas populares. Grandes poetas han utilizado el romance entre sus formas de expresión, por su musicalidad y su implantación popular.