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 physical characteristics, habitat, and behavior of various frogs, toads, salamanders, and other denizens of the amphibian world.

Presents an overview of the human life cycle, with information about reproduction, heredity, child development, and aging.

Instructions for a variety of projects and experiments that examine the composition of the earth.