Criptología digital (Digital Cryptology)

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.

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.

One of the skills employers want most in new hires is the ability to speak well. Public speaking can not only advance a person in almost any career but can also help an individual do better in school as well. Following the English Language Arts standards for Speaking and Listening, this book teaches readers why public speaking can be such an effective tool, how to craft a powerful speech, and how to overcome one of the most common problems people have with talking in front of a crowd�stage fright.

Mas de cuarenta anos de amistad complice avalan al critico Tullio Kezich en la tarea de abordar desde la cercania, a veces desde la indiscreta intimidad, la biografia de Fellini. Con rigor, una prosa agil y una documentacion exhaustiva, Kezich desmiente innumerables leyendas que rodean su figura; revela facetas poco conocidas, como su gusto por las ciencias ocultas o sus devaneos con el psicoanalisis; arroja nueva luz sobre su relacion con las mujeres, con especial atencion y tacto a sus cincuenta anos de monogamia a la italiana con la inolvidable Giulietta Masina; repasa las vicisitudes de...