Harriet Tubman

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: 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!

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.

Técnico electricista 12 – Curso visual y práctico Luminotecnia En esta clase, describiremos los principios de la iluminación, explicaremos la importancia de un nivel correcto de iluminación, veremos las unidades que intervienen en el cálculo de iluminación y conoceremos las características de cada una de ellas. Describiremos los tipos de lámparas existentes, las características de las lámparas incandescentes, fluorescentes y de vapor. También analizaremos las ventajas de las lámparas dicroicas, bipín y halógenas. Continuaremos con las cualidades de los principales tipos de...

Presents the life story of the Mexican-American labor leader who helped achieve justice for migrant farm workers by creating a union to protect their rights.

Por medio de prosa simple il dulce, las Ilustrationes vivas , de este tierno libro anina al comportamiento positivo asi muestra a los ninos que facil y gratificante es expresar como ser simpatico, apreciado y amado todos los dias.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!