La naturaleza de la materia (The Nature of Matter)

Read Along or Enhanced eBook: Discover the world of mammals in this delightful nonfiction title! Readers will learn all about different mammals--from primates to marsupials, and rabbits to whales, even omnivores and herbivores. Featuring vivid photos and charts, clear text, and stimulating facts, this Spanish-translated book will have children eager to learn all they can about mammals!

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

In this biographical book, young readers will learn about the brave life of Harriet Tubman. Readers will discover how Tubman bravely escaped from her life as a slave to cross the Mason-Dixon line into freedom and how she helped hundreds of other slaves into freedom through the Underground Railroad with the help of abolitionists. The vivid images, stunning facts, and supportive text work in conjunction with the helpful glossary, index, and timeline of Tubman's life to give readers an engaging experience as they move from cover to cover. This book has been translated into Spanish.

The crustacean subphylum can be broken down into decapods, amphipods, copepods, and other types. This title offers readers from grades one through four comparisons between the needs and roles of different crustaceans, which will allow readers to understand the subphylum’s importance. Readers will recognize and expand their knowledge about familiar species like the lobster and the shrimp, while being introduced to the likes of the wood louse and zooplankton. Dynamic photography and methodically organized information will help readers examine the many sizes, types of limbs, and other features ...

El Catálogo de los manuscritos poéticos castellanos de los siglos XVI y XVII de la Biblioteca Nacional de Madrid es el resultado de más de once años de trabajo de un amplio equipo de investigación, que se ha venido denominando genéricamente Edad de Oro y que se ha identificado con la Universidad Autónoma de Madrid. La dirección del equipo ha corrido a cargo del profesor Pablo Jauralde y el objetivo del proyecto de investigación no ha sido otro que la revisión minuciosa de todos los manuscritos existentes en la B. N. de Madrid a fin de desentrañar cuáles contienen poesía...

Consolidates the Student's Book lessons with targeted practice, unit by unit Additional practice of reading, writing, speaking, listening and use of English skills Extensive grammar and vocabulary practice Complete practice exam in Unit 10 Designed for independent study at home and practice in class Audio for listening lessons available on the Student's App

Faulkner, adem�s de haber sido el innovador de una forma de narrar que ha infl uido poderosamente en las generaciones que le han continuado, fue el cronista de los m�s notables hechos, costumbres y personajes de su tierra. Luz de agosto es una de las obras m�s representativas de un hombre que, trabajando sobre la historia y haciendo campear la imaginaci�n, logr� convertirse en uno de los escritores m�s importantes de este siglo. ENGLISH DESCRIPTION A novel about hopeful perseverance in the face of mortality, features some of Faulkner's most memorable characters: guileless,...