Discover the answers to 171 new really good questions! With dazzling full color photographs and clear, concise explanations, this is a book that will enthrall any child curious about the world around them. Learn the answers to such questions as: How can flies walk on the ceiling? How does a jellyfish sting? Why do people shake hands when they meet? How does a cellular phone work? How do we see colors? Entertaining, and educational, children will love learning the fascinating answers toAnother Really Good Question.