El polvo del camino

La historia de los inventores es apasionante, sabemos muy poco de aquellos genios y sus mentes prodigiosas, ellos cambiaron el Mundo y escribieron las páginas más brillantes de la Historia. Sabían que la bombilla no la inventó Thomas Alva Edison, y que la radio no la inventó Marconi, y el teléfono, ¿sabrian decirme quién inventó el teléfono?, la mayoría de nosotros diría que fue Graham Bell, y la máquina de vapor, seguramente, diríamos que fue James Watt, pues ninguno de ellos fueron los verdaderos inventores, con Academia de Inventores descubriremos a los verdaderos genios que...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

"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."

A young girl explains how she and her diverse group of friends are all different from each other. In this first-person nonfiction narrative, vibrant photographs reinforce the idea of a community of students who respect each other and live in harmony. A picture-word glossary is included.