Exploremos las rocas sedimentarias (Exploring Sedimentary Rocks)

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating 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.

Cuentos, poesias, chistes y 350 adivinanzas (algunas tradicionales y otras inventadas especialmente para este trabajo), constituyen una nueva propuesta que invita a seguir jugando con las palabras.Para todos los gustos y edades, este libro rescata y renueva la tradicion de las adivinanzas. De calles, de nombres y animales, de frutas y verduras, un verdadero maraton para adivinadores.

In this book, beginning readers will explore the role of the mouth in a healthy human body. Vibrant, full-color photos and carefully leveled text engage young readers as they learn more about how the mouth works and how it helps us every day. A diagram illustrates the anatomy of the mouth, while a picture glossary reinforces new vocabulary. Children can learn more about the mouth using our safe search engine that provides relevant, age-appropriate websites. Boca also features reading tips for teachers and parents, a table of contents, and an index.Boca is part of Jump!'s Tu cuerpo maravilloso ...

En esta colección de breves muestras Enric Hercenos lleva sin transición aparente del humor al horror, buceando con el surrealismo, jugando con los tópicos de los géneros fantásticos, siempre exhibiendo una prosa contenida, cuidada, que permite disfrutar de la necesaria relectura que exige el género.

Primavera del 67. América está en llamas, sacudida por disturbios raciales y por la protesta contra la guerra de Vietnam. En Nueva York, , varios músicos relacionados con la “new thing”, el jazz libre de Albert Ayler, Archie Shepp o Bill Dixon, apare- cen muertos en extrañas y violentas circunstancias. En los guetos del Black Power se habla de un asesino llamado El Hijo de Whiteman. ¿Existe realmente? Y, si es así, ¿actúa por su cuenta o es mero instrumento de un “establishment” asustado? Mientras, John Coltrane, guerrero y guardián de los espíritus en esa libérrima...