Thomas Edison

The Industrial Revolution was one of the most dramatic eras of all time, filled with fascinating people, strange events, and incredible stories. This period of great change comes into sharp focus through each spread with detailed, accessible language. Each fact is complemented with vivid, carefully-chosen historical images and illustrations, and a caption that adds just a touch more history. Readers are drawn deep into the facts not covered in history textbooks, like working conditions, inventions, failures, and characters, to make this important history lesson fun and engaging.

Publicado en 1917, POR QUÉ NO SE DEBEN HACER JUICIOS DE VALOR EN LA SOCIOLOGÍA Y EN LA ECONOMÍA es un artículo en el que Max Weber (1864-1920) explica el sentido de este precepto, consecuencia de la diferencia lógica existente entre el ámbito de la constatación o explicación de los hechos y el de la valoración de los mismos. Las ciencias sociales sólo pueden formular enunciados sobre los medios racionalmente adecuados para conseguir fines previamente determinados pero cuya validez, en último término, no puede ser establecida racionalmente. No obstante, el que las ciencias sociales ...

Teaches Young Readers About Shapes And Patterns Using The Seasons Of The Year And Pictures Of Nature.

There are government leaders all over the world that work at the city, state, and national level. This captivating Spanish book will allow readers to learn about various jobs in government including politician, statesmen, governor, and mayor. A look into the past includes a brief history of the U.S. government and some of the most important offices such as heads of state, Congress, seats in the Senate and House of Representatives, and the president. The fascinating facts and brilliant images combine with the supportive text and helpful glossary and index to provide a reading experience that...

From Mexico to the tip of South America, Latin America features varied scenery, including deserts, grasslands, plains, and mountains. Some are extreme: The Andes is the world's longest mountain range, and the Atacama Desert has not had rain for over 400 years! Latin America's remarkable landscape is an essential factor in its surprisingly different climatic zones. This insightful volume offers a comprehensive tour of the many vibrant countries of this fascinating region, highlighting its most striking areas in vivid photographs. It is also an inviting exploration of geography, natural...