Fundamentos de televisión analógica y digital

Until just over 150 years ago, northern Mexico extended thousands of kilometers farther than its current border with the United States. Many different indigenous groups flourished in that region before the Conquistadors arrived. What we know about their lives and customs is the result of archeological discoveries and the chronicles of the first Spanish priests and soldiers that had contact with them.

In this illustrated book for children, readers will discover information about animals and can lift the flaps on the pages to find even more.

This is a hopeful conservation story about an endangered family of Mexican gray wolves who live in a sanctuary in the Pacific Northwest and their journey that leads to their successful release to the wild in Mexico. This nonfiction story, illustrated with color photography, follows the lives of a Mexican gray wolf family, known as lobos, with pups born at a sanctuary in Washington State near Mount Rainier, to their release into the wild in Mexico. Through this hopeful and engaging story of conservation, kids learn about wolves--their characteristics and behavior--and the challenge of...

Biografía de Philip K. Dick, uno de los escritores de ciencia ficción más innovadores, ambiciosos y potentes de la segunda mitad del siglo XX. Pero no solo eso, porque su influencia se extiende mucho más allá del género.