Exploremos las rocas metamórficas (Exploring Metamorphic 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.

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.

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.

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...

Learn how ornithologists are using modern technology to help migratory birds. Created in collaboration with the Smithsonian Institution, this Spanish Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, this Spanish book features a hands-on STEAM challenge that is perfect for use in a makerspace and teaches students every step of the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Discover...

Everyone has times when they feel shy. Knowing how to recognize when we feel shy is an important tool in self-acceptance. Learn ways in which we can understand ourselves and our friends in this nonfiction Beginning-to-Read book about feeling shy. An early social and emotional learning book with Spanish-only text, including a word list. Perfect for an early introduction to Spanish.

Una Lisboa marginal y decadente los acogera en este despojamiento intimo, no exento de ironia y humor, que cada uno a su modo ira llevando a cabo y que cobrara mas y mas fuerza a medida que vayamos comprendiendo el absurdo implacable de la logica de la muerte.