Tufte's work is absolutely essential for everyone in the business of creating or consuming Information, which is to say, Everyone. Although his book is extremely beautiful, some of the most essential advice is so crystal-clear that even the Graphically Challenged will gain from reading it.<br><br>Although readers will also get a lot out of Tufte's other two books, "Envisioning Information" and "Visual Explanations", there is no question that this is the book that had the largest impact, and which contains the most original thinking. This book was like a bucket of cold water in the face of established thinking regarding Graphic Design and the reporting of Information.