getting ideas into a human mind

Butterick’s Practical Typography. Excellent reference. Practical with insight.

The Non-Designer's Design Book – Robin Williams. Learn by good example. Cleans code better than Robert C. Martin.

The Visual Display of Quantitative Information – Edward R. Tufte. No explanation needed

The Art of Looking Sideways – Alan Fletcher. Can't explain

The Silver Spoon

Pandoc. Capable markdown tool