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.

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...

Nicol�s Cabral's is one of the most singular voices in Latin American literature, and this book demonstrates his hypnotic and out of the ordinary style. The stories ebb from real to unreal, from earthly to fantastical. In addition, there's something rarely found in most contemporary writers: an aversion to the familiar and disdain for common places. La de Nicol�s Cabral es una de las voces m�s singulares de la nueva narrativa latinoamericana. Como en Cat�logo de formas, su primera novela, he aqu� una prosa construida mediante una inflexible depuraci�n y, al mismo tiempo, plural....

This selection of riddles is just right: not too hard, not too easy, and all "dressed up" with beautiful illustrations.

Hay muchos colores en el mundo: el marrón de la tierra, el verde de la hierba, el azul del cielo y el amarillo, el color favorito de Dani... pero, ¿existe algo en el mundo que tenga todos los colores?