National Geographic Society (U.S.)

Maps, photographs, illustrations, and text present information about the continents of the world.

In this one-of-a-kind atlas, scores of archival maps and dozens of new maps trace the battles, political turmoil, and great themes of America's most violent and pivotal clash of arms.

"This clearly written and profusely illustrated book explains the science behind all the machines, gadgets, systems, and processes we take for granted. The perfect book for techies--young or old, male or female--who read Popular Science and Wired or watch "How It Works" and "How It's Made." National Geographic answers all the questions about how things work--the science, technology, biology, chemistry, physics, and mechanics--in an indispensible book...

A comprehensive look at the world of animals, their features, behavior, and life cycles, arranged by the categories "Mammals, " "Birds, " "Reptiles, " "Amphibians, " "Fish, " and "Insects, Spiders, and Other Invertebrates."