Author, educator, and longtime proponent of solar energy Larry Waitz shows readers the fundamentals of harnessing and utilizing solar energies in The Solar Advocate, an indispensable introductory field guide to solar power. In sixty-seven chapters with titles like "Types of Solar Thermal Systems," "Grid Tied Versus Off the Grid," "Solar Computer Design," and "Renewable Energy-Hydropower," Waitz enlightens readers on how it works and why it's cost effective. Perfect for students, business owners, and builders, as well as engineers, this engaging text is written in laymen's terms and offers graphs and pictures to outline key features of solar energy and how it is that solar power offers more benefits than conventional fossil fuels as a renewable energy source. When it comes to solar energy, the sky is the limit-and Waitz shows readers how bright the future is when the world looks to the sun for its fuel.