Técnico electricista 1 - Curso visual y práctico

The Underground Railroad was the massive effort by slaves and free people to secretly bring thousands of blacks to freedom in the North during the 19th century. This thought-provoking book will capture readers’ imaginations and fill them with awe for the brave “conductors” and “passengers” on the Railroad. They’ll learn about the many safe havens, called “depots,” that housed fugitives and the secret passages within them that hid slaves from their pursuers. Information about the American Civil War and the Fugitive Slave Act, biographies of figures vital to the Underground Railroad,...

"Latin America's population is estimated to be well over half a billion people, almost one-tenth of the world's population, living in thirty-three different countries and territories. This engrossing book explores the people of South America, Central America, Mexico, and the West Indies and provides extensive detail on their diverse cultures. An authoritative overview of the varied and rich traditions of each of these regions is presented, as well as a thorough discussion of the religions, languages, and ethnicities of Latin Americans."

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Images of Rainbow Fish's undersea world, from a red starfish to a brown snail, reinforced by facing pages in the appropriate color, teach the colors. On board pages.