Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

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 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.

It doesn't take a lot to conserve electricity. Taking action can be as simple as turning off the lights when you leave a room or using "people power" instead of cars to get around. Kids learn this and more about what they can do to help in 10 Things I Can Do to Save Electricity. Now in Spanish.

Un delicioso muestrario de monstruos, animales de leyenda y seres extraños. Un recorrido fantástico por las mitologías del mundo entero que fascinará a los lectores curiosos. #MonstruosDelMundo Si has llegado hasta este libro es porqué eres consciente de que no estás solo. Sabes que habitas en un mundo lleno de criaturas misteriosas, que respiran a nuestro lado desde que el mundo es mundo. Este es un muestrario de los monstruos conocidos, un catálogo de animales de leyenda, una pequeña biblia de la mitología de seres extraños que han poblado la tierra desde tiempos ancestrales. Este ...

Learn all about the leaders in local government. Find out the duties of a city council, its role in making city laws, and groups a city council works with to help run the city.

Los cuatro volúmenes de las Obras completas que ha dirigido Miguel García Posada recogen la edición más rigurosa de los escritos de Lorca. Aparte de las obras que él mismo dio a imprenta, entre las que destacan Romancero gitano, Poeta en Nueva York, Bodas de sangre o La casa de Bernarda Alba, a su temprana muerte dejó un sinnúmero de poemas juveniles, textos esbozados, inconclusos o sin revisar que ven la luz por vez primera en esta edición.