Bright lights in the night sky. Strange sightings of flying saucers. What are UFOs, and could they be visitors from another planet? No one knows for sure. Explore this unsolved mystery, and why some people believe and others don't.
Terri Dougherty has written more than 90 books for children, including 10 weather-related titles. She wrote for newspapers before exploring other writing styles and lives in Appleton, Wisconsin, with her family.
