The Global Water Crisis: A Reference Handbook
Principles of Science: Principles of Astronomy
The Economics of Energy: The Pros and Cons of Geothermal Power
Eye on the Sky: When Tornadoes Touch Down
The Economics of Energy: The Pros and Cons of Wave Power
Climate Change: Examining the Facts
Water Planet: The Culture, Politics, Economics, and Sustainability of Water on Earth
The Economics of Energy: The Pros and Cons of Wind Power
The Importance of Scientific Theory: The Importance of Plate Tectonic Theory