Desde que finalizó la Segunda Guerra Mundial unos treinta millones de personas han muerto en conflictos armados, cuatro de cada cinco han sido víctimas de las armas ligeras, de las que un 90% eran civiles, mujeres y niños en particular. Estas armas son las más accesibles por su bajo coste y por encontrarse fácilmente en un mercado descontrolado. La campaña que apoya este libro, promovida por cuatro ONG, pretende conseguir que los gobiernos den toda la información sobre a quién exportan estas armas para obtener el mismo éxito al de la campaña contra las minas antipersona y no colaborar en la intensificación de conflictos y sufrimiento en el planeta. Vicenç Fisas es titular de la Cátedra Unesco sobre Paz y Derechos Humanos en la Universidad Autónoma de Barcelona y coordinador de esta campaña.

In his first book since the bestselling Fermat's Enigma, Simon Singh offers the first sweeping history of encryption, tracing its evolution and revealing the dramatic effects codes have had on wars, nations, and individual lives. From Mary, Queen of Scots, trapped by her own code, to the Navajo Code Talkers who helped the Allies win World War II, to the incredible (and incredibly simple) logisitical breakthrough that made Internet commerce secure, The Code Book tells the story of the most powerful intellectual weapon ever known: secrecy. Throughout the text are clear technical and mathematical explanations, and portraits of the remarkable personalities who wrote and broke the world's most difficult codes. Accessible, compelling, and remarkably far-reaching, this book will forever alter your view of history and what drives it. It will also make you wonder how private that e-mail you just sent really is.

The author turns his attention to aesthetics.

Cultural Materialism, published in 1979, was Marvin Harris's first full-length explication of the theory with which his work has been associated. While Harris has developed and modified some of his ideas over the past two decades, generations of professors have looked to this volume as the essential starting point for explaining the science of culture to students. Now available again after a hiatus, this edition of Cultural Materialism contains the complete text of the original book plus a new introduction by Orna and Allen Johnson that updates his ideas and examines the impact that the book and theory have had on anthropological theorizing.