D. A. Norman. The Psychology of Everyday Things. New York: Basic Books, 1988. (Also published in paperback as The Design of Everyday Things. New York: Doubleday, 1990.) An exploration of the design issues surrounding common things -- door handles, stove-top controls, lighting switches, etc. -- and the frequent mistakes made in confronting them.

D. A. Norman. Things That Make Us Smart. Reading, Mass.: Addison-Wesley, 1993. An analysis of the design of computer interfaces, maps, and many other "things that make us smart" and how they affect how we think and act.