Steve Parker

"Take a plunge into the dephts and encounter speedy swimmers, deep divers, and bottom feeders. From stealthy sharks to curious catfish, find out fantastic fishy facts about how these underwater creatures hunt, hide, drive, and glide."--

Traces the life of the English naturalist from his early years through his expedition aboard the H.M.S. Beagle and the development of his theory of evolution by natural selection.

A photo essay about the range of plants and animals found in fresh water throughout the year, examining the living conditions and survival mechanisms of creatures dwelling at the edge of the water, on its surface, or under the mud.

Examines the systems and parts of the human body and how they work, including the skin, blood, bones, lungs, and heart.

Text and experiments demonstrate the properties, behavior, and uses of light.