At first it appears that nothing could be easier than seeing. We just
focus our eyes and take in whatever it is before us. This ability seems
detached, efficient, and rational--as if the eyes were competent
machines telling us everything about the world without distorting it in
any way. Using drawings, paintings, diagrams, and photographs to
illustrate his points, Elkins raises intriguing questions and offers
astonishing perception about the nature of vision.