Benjamin Franklin

El tercer tomo de este ambicioso proyecto se introduce en el periodo más convulsionado (1930-1960) del siglo XX Si en el segundo tomo se constató que el sistema educativo fue exitoso en términos políticos y culturales, en este volumen vemos, más bien, cómo la educación se enfrentó, sobre todo, a las bondades y restricciones de la productividad económica y su impacto en el desarrollo social. Si en el periodo analizado los discursos enfatizaban las «reformas» llevadas a cabo por los gobiernos del Frente Popular, luego se comenzó a hablar de «crisis», yes que los deficientes...

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

Texas has had some extraordinary people. This book covers some of them, such as Melinda Gates, astronaut Shannon Walker, and Bessie Coleman, the first African American female pilot. Age-appropriate text teaches readers about Texas's most important movers and shakers, while historical and contemporary images reinforce the book's key concepts.

Practice data analysis while learning about endangered species! This title allows young readers to improve their understanding of data analysis and graphing methods, teaching them about probability and STEM skills through bar graphs and pictographs. This book includes engaging examples of wild animals who are endangered species, teaching readers about their habitats, their greatest threats, and their predicted populations. Vibrant images, exciting examples, and clear mathematical diagrams and charts engage readers while making them more confident in their data analysis skills.