Information is Beautiful, by D. McCandless
Beautiful Visualization: Looking at Data through the Eyes of Experts (Theory in Practice), by Julie Steele and Noah Iliinsky
Beautiful Evidence, by Edward R. Tufte
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics, by Nathan Yau
Now You See It: Simple Visualization Techniques for Quantitative Analysis, by Stephen Few
Beautiful Data: The Stories Behind Elegant Data Solutions, by Toby Segaran and Jeff Hammerbacher
