Robert Paul Wolff

Autobiography of an Ex-White Man (Rochester, NY: University of Rochester Press, 2005)

In Defense of Anarchism
(rpt. Berkeley: University of California Press, 1998)

About Philosophy
(Upper Saddle River, NJ: Prentice Hall, 7th ed., 1998)
http://www.prenhall.com/wolff/

Moneybags Must Be So Lucky: On the Literary Structure of Capital
(Amherst: University of Massachusetts Press, 1988)

The Autonomy of Reason: A Commentary on Kant's Groundwork of the Metaphysics of Morals (New York: Harper & Row, 1973)