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

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.

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 use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Una noche gélida de diciembre de 2005 muere en Canfranc un anciano oficial nazi, escondido bajo la falsa identidad de Germán Horno. Pero los enigmas de su azarosa vida han sido confiados la noche anterior, en secreto de confesión, al joven párroco de la localidad, el padre Guzmán, quien adquiere el compromiso de entregar determinados documentos... La especialista en arte para la policía científica Patricia Hernando se deslumbra al descubrir el botín que escondía la casa del anciano alemán, y no puede permanecer impasible ante la visión de un Vermeer de cuya existencia se ha dudado...

Impulsado por la nostalgia, Oki Toshio, un escritor casado, decide viajar a Kioto para oír las campanas del templo en el Año Nuevo. Pero además quiere ver a Otoko, antigua amante a la que había humillado. Todavía hermosa, Otoko, ahora pintora, vive con su protegida Keiko, una joven amoral, sensual y apasionada de apenas veinte años. Y lo que comienza como un reencuentro sentimental entre el maduro Oki y la discreta Otoko se convertirá. Por voluntad de Keiko, decidida a vengar a su mentora, en un cruel drama de amor y destrucción.