Steve Parker

"Covers a wide selection of construction machines, outlining how they work and what they are used for"--Provided by publisher.

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.

Explains how the heart and circulatory system work and examines how high blood pressure and a high fat diet can contribute to heart disease. Also discusses ways of improving health with proper diet and exercise.