2020 - "Is Truth Relative?" Journal of Constructivist Psychology, Feb 7, 2020. doi: 10.1080/10720537.2020.1727389
2017 - "Nietzsche and Nihilism," in David Rosner, editor. Philosophy and Catastrophe. Rowman and Littlefield (forthcoming)
2015 - “Bertrand Russell, World War I, and Analytic Philosophy,” in J. Ward Regan, editor. Great Books Written in Prison: Essays on Classic Works from Plato to Martin Luther King, Jr. McFarland and Company, Inc.
2013 - Philosophical Dilemmas: A Pro and Con Introduction to the Major Philosophers and Questions. Fourth Edition. Oxford University Press.
2009 - The Vocabulary of Critical Thinking. Oxford University Press.
2002 - Editor of The Many Faces of Wisdom: Great Philosophers’ Visions of Philosophy, Prentice-Hall.