La naturaleza de la materia (The Nature of Matter)

Read Along or Enhanced eBook: Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

Give students insight into the Industrial Revolution, how it influenced innovation and employment in the United States, and how it changed the lives of Americans at the beginning of the 20th century. With this nonfiction Spanish-translated book, readers will learn about assembly lines, patents, labor unions, child labor laws, labor unions, muckrakers, and immigrant and slave labor. Colorful images, supporting text, a glossary, and other features keep students engaged and help them better understand the content.

Este libro pretende contar la historia del I Duque de Lerma, don Francisco de Sandoval y Rojas (1553-1625), que llegó a ser un dos españoles más poderosos de su tiempo. Hombre de confianza de Felipe III, era en realidad el verdadero gobernante del reino. Nacido en una familia al servicio de la Corona, pero sin recursos económicos, logró amasar la fortuna del momento y controlar tal cantidad de oficios que perdió. Hubo numerosas voces que se levantaron contra él, entre ellas la de la propia reina.

We know very well that books are not just for reading and looking at, that is why our Put Your Fingers collection is designed for all those curious children who like to touch everything and discover the world with all their senses. A book with colorful illustrations, rhymed text and many holes for the little ones to play with the characters, learn and enhance their imagination, logic and manual skills.

¿Te atreves a entrar en el Laboratorio de Plagas de este libro? Aquí estudiamos la historia de las enfermedades más terribles. Si te contagias de alguna, te pondrás enfermo. O peor aún. Muchas de esas enfermedades peligrosas se propagan rápidamente, y entonces miles de personas enferman y mueren: es lo que llamamos una epidemia o plaga. Pero... ¡no te asustes! También estudiamos las soluciones para erradicarlas y te presentamos los tres tipos de gérmenes (los protistas, las bacterias y los virus) y cómo combatirlos. La repugnante historia de enfermedades mortales, explicada por las...

An introduction to taipans, snakes from Australia and New Guinea, describes the three different kinds of taipan, physical characteristics, life cycle, habitat, and predatory behavior.