La naturaleza de la materia (The Nature of Matter)

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.

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.

Young readers will learn the ways that César Chávez fought to protect the rights and lives of migrant workers in this inspiring Spanish-translated biography that gives history behind protests and developments of unions that Chávez led. Vivid images and an interesting timeline of Chávez's life work in conjunction with supportive text and a helpful glossary, table of contents, and index to engage readers from cover to cover.

El ADR es un documento extenso y tedioso. Por ello resulta imprescindible entender su estructura para asi poder convertirse en una herramienta sencilla de manejar. Expedidores, ambaladores, cargadores/llenadores, transportistas, descargadores y explotadores de cisternas asi como los Consejeros de Seguridad para el transporte por carretera tiene la obligación de formar cualquier empleado que intervenga en operaciones de expedición, embalaje, carga, transporte y descarga de mercancías peligrosas por carretera.

Visiting Tulum National Park is like going back in time. The Maya lived there long ago. Learn addition as you count the things they left behind. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...

[Plan Lector Infantil] Enrique y su hermano protagonizan una historia que podría haber pasado en cualquier lugar de la geografía colombiana. En medio de la inocencia de la niñez ellos deben enfrentar la realidad de un país que se debate entre la belleza, la riqueza, de sus paisajes y sus gentes y los conflictos que lo acosan, que los determinan cotidianamente. Los niños, sin buscarlo, se verán involucrados en un episodio que cambiará por completo sus vidas y las de sus padres, pero también les dará una lección: la realidad a veces no es como la pintan.