If you're reading this, you're about to get smarter. How much smarter? 202 facts smarter. Why do we put salt on the roads when they're icy? How do you measure half of one-third a cup in a baking recipe? This book set helps simplify and demystify math and science concepts. With a fun question-and-answer format, these books are perfect for kids, parents, educators, and anyone interested in understanding how math and science affect our lives.