The World's Oceans: Geography, History, and Environment
Transforming Earth's Geography: Famine and Drought
Science and Sustainability: Science and Sustainable Wildlife Habitats
Let's Find Out! Our Dynamic Earth: Volcanic Processes
Science and Sustainability: Science and Sustainable Water
Real-World STEM: Global Access to Clean Water
Climate Change: Our Impact on Earth: Weather Patterns
The Study of Science: Earth Science
The Nile: An Encyclopedia of Geography, History, and Culture
Climate Change: An Encyclopedia of Science, Society, and Solutions
Big Business: Inside the Gold Industry
Backyard Biomes: There Are Grasslands in My Backyard!
UXL Encyclopedia of Weather and Natural Disasters
The Economics of Energy: The Pros and Cons of Nuclear Power
Principles of Science: Principles of Astronomy
The Economics of Energy: The Pros and Cons of Wave Power