Amazing answers to quirky questions about our world. What if the Earth stopped spinning? What if we were the size of insects? What if we could see sounds? What if the moon fell down? What if aliens landed and only wanted to talk to dogs? Bizarre and fantastic questions like these are the popular terrain of Robert Ehrlich. They set the stage for his enlightening and imaginative forays into a broad range of real science topics, including weather, light, color, sound, animals, plants, and the solar system. Engaging cartoons, intriguing sidebars, and quick experiments accompany a fresh and fun writing style to make this a great addition to the children's science shelf. ROBERT EHRLICH (Fairfax, Virginia) is a physics professor at George Mason University. He is also the author of The Cosmological Milkshake, What If You Could Unscramble an Egg?, and Why Toast Lands Jelly Side Down.