That or "Envisioning Information." "Visual display..." is slightly more quantitative (as the name would suggest). He has some ebooks for $2 if you just want to

That or "Envisioning Information." "Visual display..." is slightly more quantitative (as the name would suggest). He has some ebooks for $2 if you just want to get a feel for his writing and design: http://www.edwardtufte.com/tufte/ebooks http://www.edwardtufte.com/tufte/ebooks