Autos F„rmula Uno

Octavio the bear cub does not want to go to school, and no matter what his mother, his teacher, and his classmates do or say, his answer is always a resounding "No!"

Sidney Hook, uno de los principales filosofos sociales de los Estados Unidos, fue discipulo y amigo de John Dewey, a su vez uno de los filosofos mas influyentes del siglo XX. Pues bien, en este libro intemporal, Hook debate las principales ideas filosoficas de su mentor para subrayar los temas centrales de la filosofia de Dewey, sus implicaciones y la relevancia de su perspectiva con respecto a los problemas de la cultura estadounidense. Hook comienza con una breve semblanza de la vida de John Dewey y de su brillante carrera para despues perfilar las lineas generales de su pensamiento sobre...

It doesn't take a lot to conserve electricity. Taking action can be as simple as turning off the lights when you leave a room or using "people power" instead of cars to get around. Kids learn this and more about what they can do to help in 10 Things I Can Do to Save Electricity. Now in Spanish.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...