Did you know that Saturn's rings are made up of billions of bits of rock that can be as tiny as specks of dust, or as large as skyscrapers? And did you know that Saturn is the lightest planet in the solar system and would float in water--if you could find a bathtub big enough to hold it? These and dozens of other fascinating facts provide a perfect high-interest introduction to the planet with the incredible rocky rings, Saturn. Filled with information perfectly suited to a second-grade audience, this accessible, high-impact book combines solid science, technology, and even math with up-to-the-minute information, odd and often quirky facts, and astounding space photography. It also provides plenty of surprises and teachable moments that will draw young children into a rewarding, kid-friendly reading experience.