It's: 100 Things Every Designer Needs to Know About People.
This book was mainly written for web designers but artists could find much of the information useful.
For instance, did you know that people will be drawn to, like, and feel happier looking at a pastoral scene? Yes, research shows that people like landscapes: those hills, trees, water & animals. No wonder artists paint so many of them.
Do you want to make customers happy? Give them a landscape!
|from Google images|