Nature's Mysteries: Rainbows and Other Marvels of Light and Water
Nature's Mysteries: Auroras: Behind the Northern and Southern Lights
Hands-On Science: Science Fair Projects About Planet Earth
Mystery Hunters: Aliens and UFOs
Climate Change: An Encyclopedia of Science, Society, and Solutions
Exploring Our Universe: Space Exploration
Exploring Our Universe: The Sun
Planetary Exploration: Pluto and Other Dwarf Planets
Hidden Heroes: Hidden Human Computers: The Black Women of NASA
The Study of Science: Earth Science
The Study of Science: Physical Science
What's Cool about Science?: Discover Space Exploration
A Visual History of the World: A Visual History of Science and Technology
Planetary Exploration: Neptune
Exploring Our Universe: Asteroids, Comets, and Meteoroids