Beautiful. Memorable. Professional. Are these words used to describe your data visualizations? They can be! This book is designed to help you craft visualizations that instantly allow your audience to grasp β and remember β the story of your data. It covers everything from the fundamentals of good graphic design for data viz to how to tap into the secrets of information processing. Twenty-four techniques for improving visualizations are illustrated with almost one hundred examples of the good, the bad, and the downright ugly.