Sharpen your pencils! The second book in our wildly successful One Minute Mysteries series is here. In One Minute Mysteries: 65 Short Mysteries You Solve With Math, kids must tap into their critical thinking skills to solve these entertaining and educational mysteries. Each one-minute-long mystery challenges your knowledge of math in everyday life situations (solutions included). Great for kids, grown-ups, educators, and anyone who loves good mysteries, good math, or both!