Step-by-step instructions on how to construct your own colorful graphs and how to condust a poll or survey. Solutions to the "chocolate chip caper," "the case of the red-hot ruby," "trouble at the zoo," and other challenging mysteries. How to use a protractor to make a circle graph of 360-degrees to represent pet popularity, advertising styles, and landfill usage. How spectograms translate sounds into pictures to help scientists identify criminals and track dolphins. How to use symbols such as airplanes and ice cream cones to represent numbers on a pictograph.