I offer you a few gateway drugs: — The Visual Display of Quantitative Information by E. R. Tufte; — The Elements of Typographic Design by R. Bringhurst; — Th

I offer you a few gateway drugs: — The Visual Display of Quantitative Information by E. R. Tufte; — The Elements of Typographic Design by R. Bringhurst; — The Design of Everyday Things by D. Norman; — Don't Make Me Think! by S. Krug. Beware of Tufte. Using charts to abduct engineers into the world of design is just dirty.