La naturaleza de la materia (The Nature of Matter)

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.

Read Along or Enhanced eBook: 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.

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.

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.

En su libro "La sociedad del cansancio" Byung-Chul Han presenta el cambio de paradigma que ha llevado a la humanidad desde la sociedad disciplinaria hacia la sociedad del rendimiento. Desde una sociedad represiva, basada en la negatividad de las prohibiciones, hacia una sociedad de hiperactividad, sobre abundante en estímulos e información, basada en la positividad total. El verbo que define la sociedad del rendimiento no es "debo" sino "puedo"; el hombre actual se cree libre, pero paradójicamente vive en guerra consigo mismo. La sociedad del rendimiento, dice Han, engendra el dolor...

¿Sabías que Marte parece una estrella roja brillante? A menudo se lo llama el Planeta Rojo. Descubre más cosas en Marte, uno de los libros de Los planetas. Did you know that Mars looks like a bright red star? It is sometimes called the Red Planet. Find out more in Mars, a Planets book.

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

¡Ven y acompaña a Toodles por algunos días llenos de diversión! Ella, una adorable osita, junto con su mamá, su papá, su hermano y hermana vivirán aventuras muy curiosas a lo largo de esta historia. Mientras Toodles ecperimenta la vida cotidiana, se dispara su curiosidad acerca de la ubicación del Cielo, pero se pregunta si los eventos que ocurren a su alrededor tendrán alguna semejanza con el Cielo. Este libro, ilustrado con material original, y con referencias de las Sagradas Escrituras, es una excelente manera para facilitar el entendimiento del Cielo, y le permitirá a los niños ...