Love these kinds of essays...

One of my favorite art books deals with the subjects in your link, Art and Visual Perception: a psychology of the creative eye. Rudolf Arnheim.

http://books.google.com/books/about/Art_and_visual_perception.html?id=Cn4yEyF-Gr4C

http://en.wikipedia.org/wiki/Rudolf_Arnheim

A great read and a classic.