Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

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.

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.

Por este libro desfilan iglesias, monasterios, santuarios, capillas, los castros, pazos y castillos, romerías y reparadoras fiestas de remotos orígenes. Hay además una ruta literaria, imprescindible dado el excelente número de escritores gallegos, entre los mejores del siglo XX español. Las rutas se interrelacionan: por la monumental se llega a la almenada, por la devota a la monumental, por la festiva a la devota, por la literaria a la monástica...

Para Heinrich von Kleist (1777-1811) una novela consistía en la narración de un «acontecimiento inaudito», según la definición de Goethe. Sus personajes son héroes hamletianos sometidos a los imponderables del destino, enfrentados a situaciones límite que les plantean retos existenciales que surgen del caos. El presente volumen reúne toda la obra narrativa de Kleist: dos novelas cortas: Michael Kohlhaas y

Con páginas desplegables y atractivos modelos realistas de las especies de dinosaurios más populares, este libro es una maravillosa introducción al mundo de estas fascinantes criaturas. With foldout pages and beautiful, realistic models of the most popular dinosaur species, this book is an incredible introduction to the world of these fascinating creatures.

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.