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!

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.

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.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

This book introduces children to fascinating figures throughout history. They include Ramses II, Moctezuma, Nostradamus, Albert Einstein, and Stephen Hawking.

José Romera Castillo, recoge las sesiones plenarias, impartidas por destacados dramaturgos (Paco Bezerra, Diana I. Luque, Lola Blasco, Pablo Iglesias Simón, además de Jerónimo López Mozo) e investigadores, así como las comunicaciones expuestas (tras previa selección) en el XXIII Seminario Internacional del Centro de Investigación de Semiótica Literaria, Teatral y Nuevas Tecnologías de la Universidad Nacional de Educación a Distancia, del 26 al 28 de junio de 2013. El volumen, que continúa una larga y rigurosa labor, ofrece una serie de aportaciones pioneras en la investigación...

El 11 de febrero de 1990, después de haber luchado toda su vida contra el Apartheid y tras 27 años en prisión, Nelson Mandela fue finalmente liberado. La historia de Mandela, que finalmente se ha convertido en uno de los más grandes líderes mundiales, es también la difícil historia de Sudáfrica.