Quiz your family and friends with this ultimate Big Quiz Book 2 from National Geographic Kids, bursting with even more questions ...that will keep everyone guessing and give you hours of fun. Which mammal is the largest animal on Earth? What is the biggest moon in the solar system? How many spines does a European hedgehog have? 1001 questions on everything from animals and nature to science, space, sports and lots more. Are you up to the challenge?