Takes readers on an interplanetary tour from the sun to the ever-mysterious Mars, and then, thanks to the Voyager missions, to the planets beyond.

Describes the nature of the sun, its origin, source of energy, layers, atmosphere, sunspots, and activity.

Discusses where and how hurricanes are formed, the destruction caused by legendary storms, and the precautions to take when a hurricane strikes.

A basic introduction to Earth's closest neighbor, its composition, and man's missions to it. Illustrated with photographs of the moon taken in space.

Describes the location, nature, development, measurement, and destructive effects of tornadoes, as well as how to stay out of danger from them.

Describes the physical characteristics and behavior of various kinds of gorillas.

"Provides a guide to the workings of the digestive system through a review of the organs, the digestive process, and detailed photos of the surface of the stomach." --

In 26 giant photographs—of a roaring grizzly, a piranhas razor-sharp teeth, a rattlesnakes poisonous fangs—Seymour Simon reveals the truth about natures most misunderstood animals and lets the reader decide what to really think about natures grossest, fiercest, and most fascinating survivors.

When you get to know the truth about sharks, you'll begin to see them as the fascinating creatures they are, instead of the monsters of myth.

Explores the extreme parts of the planet, from the driest desert and the snowiest mountains to the deepest depths of the ocean and the highest waterfalls.