This book set includes:101 Things Everyone Should Know About MathDo you excel in math? Do you struggle with it? If the answer is Yes, this book is for you! These math questions show you that math is everywhere¿and knowing how to tackle it is useful¿ and fun. With entertaining connections to popular culture, sports, hobbies, science and careers, the challenges are intriguing and insightful (plus you don't need a calculator or paper to solve them). Open this book and discover the fascinating world of math!101 Things Everyone Should Know About ScienceWhy do you see lightning before you hear thunder? What keeps the planets orbiting around the sun? What metal is a liquid at room temperature? Science affects everything¿yet so many of us wish we understood it better. Using an accessible question-and-answer approach, key concepts in biology, chemistry, physics, earth and general science are explored and demystified in this award-winning book. An engaging and fun way to better your understanding of how science surrounds us every day.