The books by Howard Wainer, Edward Tufte, and Bill Cleveland are good starting points; it also depends a lot on your particular interests. Andrew Gelman's blog

The books by Howard Wainer, Edward Tufte, and Bill Cleveland are good starting points; it also depends a lot on your particular interests. Andrew Gelman's blog [1] is very good if you're at all interested in non-experimental data and/or poli sci applications. [1] http://andrewgelman.com/ http://andrewgelman.com/