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.

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.

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.

Mateo Chamero es un niño obeso de ocho años al que su madre quiere obligar a adelgazar. Su compañera de pupitre, Ana, está muy enferma. Mateo quiere ayudarla, pero no sabe cómo. ¿Encontrará el modo de hacerlo? Una estupenda historia que resalta los valores de la amistad y la superación de dificultades.

Poems about being alone, love, fear, life, death and adults from a child's point of view. A boy wearing a tiger mask takes young readers on a journey of self-understanding and discovery.

Read Along or Enhanced eBook: Do you have something to celebrate? You can celebrate by making papel picado! Featuring vibrant step-by-step photo instructions, this Spanish-translated, nonfiction book helps introduce children to another culture through craft-making and designs.

En esta adictiva saga de romance paranormal hay una continua guerra entre los vampiros y sus cazadores... Antiguo esclavo de sangre, el vampiro Zsadist todavía lleva las cicatrices de un pasado lleno de sufrimiento y humillación. Conocido por su innegable furia y su siniestro carácter, es un salvaje temido tanto por humanos como por vampiros. La rabia es su única compañía, y el terror su única pasión, hasta que rescata a la hermosa aristócrata de la diabólica sociedad de restrictotes. Bella se siente irremediablemente atraída por el increíble poder que Zsadist posee. Pero incluso...