An Introduction to Energy is a thoughtful book designed for the person who wants to know more about the sources, uses and implications of energy use in the U.S.A. with just the right amount of detail and without getting into complicated equations. It is rich with illustrations and ideas for innovative new ways of looking at the energy problems and how to mitigate them. It starts out with the sources of energy, how they are extracted and used. It then explains how the use of energy is implicated in the production of environmentally harmful byproducts. The book concludes with how to be more efficient in the use of everyday energy consuming products such as the auto and home.