Mi Primer Libro de la Naturaleza

Las computadoras y el Internet cambiaron para siempre la forma en que comunicamos mensajes y otro tipo de información. También crearon nuevos desafíos para poder mantener esas comunicaciones privadas. Ahí es donde entra la criptología digital, el estudio de la comunicación digital secreta. Aprende sobre cómo trabajan los criptólogos profesionales para burlar a los piratas informáticos y ciberterroristas que intentan acceder a información privada. ¡Luego prueba tus habilidades con una actividad práctica de criptología digital! Computers and the internet forever changed how we...

Young readers will discover amazing facts about birds' nest-building habits and other information with this new guide featuring Internet links to each of the book's topics.

The American Southeast stretches from the Atlantic Ocean to the Gulf of Mexico, including the states of Georgia, Florida, Louisiana, and Alabama as well as parts of Virginia and Maryland. But before that region was divided into states, native groups lived there. From how they found food to what their spiritual beliefs were, the book’s main content presents the traditional lifestyles of the Seminole, Choctaw, and Creek peoples, and the other groups that lived in the southeast. Readers learn even more from fun fact boxes and the historical images and full-color photographs that show what...

In graphic novel format, follows the adventures of Max Axiom as he explains the science behind light.