Text and illustrations present information on the parts of the body and how they work. Be an eyewitness to the amazing world of your body -- from the incredible framework of the skeleton to the millions of tiny cells that make your body work. Discover how muscles help us move. See the network of nerves inside your head. Find out how X-rays work.

Describes, in brief text and illustrations, how the inhabitants of a medieval castle prepared for war and endured a siege.

Describes the life and people of Pompeii, a city in southern Italy destroyed during the eruption of Mount Vesuvius in A.D. 79.

A brief history of the Aztec Indians including their way of life, religion, and rulers.

Traces humanity's fascination with mountains and mountaineering, focusing specificially on historic expeditions to Mount Everest.