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Pese a ser la nacion mas pequena del planeta, el Vaticano es dueno de una colosal riqueza. Sin embargo, su origen no es tan remoto ni transparente como pudiera pensarse. El poder financiero de la Iglesia catolica, asi como muchos de sus problemas, comenzo en 1929 tras la firma del Tratado de Letran, por el cual Pio XI, que se enfrentaba a la bancarrota de la Santa Sede, se alio con el gobierno fascista de Mussolini a cambio de sustanciosas concesiones economicas y del establecimiento del Vaticano como Estado soberano. Este seria el primero de una larga serie de "pactos con el diablo", que se...

Introducción, traducción y notas de A. Melero Bellido. Revisada por A. A. González Terriza y R. Herrera Montero.

Read Along or Enhanced eBook: Let's take a spin in the fascinating world of cars! In this engaging, Spanish-translated nonfiction title, readers learn about cars of all kinds--from the Model T roadster to electronic cars--through automobile history, the innovative way automobiles changed the way people travel, and the parts cars need in order to work properly to ensure automobile safety and keep pollution down. With detailed images and diagrams, informational text, and compelling facts, readers will want to learn everything they can about cars!

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of reusing resources and knowledge. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how reusing resources and knowledge can be helpful in the real world. In this book, readers learn about the Bill of Rights and how parts of it...

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.