The follow-up to the fun and informative 20 Questions #1: Why Do Feet Smell? A follow-up to 20 Questions: Why Do Feet Smell? (Spring 2012) featuring fun facts about animals. Why Do Zebras Have Stripes? will ask and answer the questions about animals that kids are really curious about. Each book in the 20 questions series contains 20 questions and answers, with a full-color photograph on every page. Read the question on the right and turn the page to see the answer on the left!