Books Written by Kai Nielsen
- Atheism and Philosophy, Amherst, NY: Prometheus Books, 2005. [table of contents & introduction]
- Wittgensteinian Fideism?, Suffolk, UK: SCM Press, 2005. (with D. Z. Philips)
- Cosmopolitan Justice, Upper Saddle River, NJ: Prentice-Hall, 2004.
- Globalization and Justice, New York: Humanity Books, 2003.
- Naturalism and Religion, Amherst, NY: Prometheus Books, 2001.
- Is Global Justice Impossible?, Montréal : Équipe de recherche en éthique sociale (Cahiers de l'ERES, no. 9702), 1997.
- Naturalism without Foundations, Amherst, NY: Prometheus Books, 1996.
- On Transforming Philosophy: A Metaphilosophical Inquiry, Boulder, CO: Westview Press, 1995. [introduction]
- Does God Exist?: The Debate Between Theists and Atheists, Amherst, New York: Prometheus Books, 1993. (with James Porter Moreland)
- After the Demise of the Tradition: Rorty, Critical Theory and the Fate of Philosophy, Boulder, CO: Westview Press, 1991.
- God and the Grounding of Morality, Ottawa, ON: University of Ottawa Press, 1991. [table of contents & introduction]
- Ethics without God, revised edition, Amherst, NY: Prometheus Books, 1990.
- Search for Community in a Withering Tradition, Lanham, MD: University Press of America, 1990. (with Hendrik Hart)
- God, Scepticism and Modernity, Ottawa, ON: University of Ottawa Press, 1989.
- Marxism and the Moral Point of View: Morality, Ideology, and Historical Materialism, Boulder, CO: Westview Press, 1989.
- Why Be Moral?, Buffalo, NY: Prometheus Books, 1989.
- Equality and Liberty: A Defense of Radical Egalitarianism, Totowa, NJ: Rowman & Allanheld, 1985.
- Philosophy & Atheism: In Defense of Atheism, Buffalo, NY: Prometheus Books, 1985.
- An Introduction to the Philosophy of Religion, London: The Macmillan Press, 1982. [table of contents & introduction]
- Scepticism, London: The Macmillan Press, 1973. [table of contents]
- Contemporary Critiques of Religion, London: Macmillan Publishers, 1971. [table of contents & introduction]
- Reason and Practice: A Modern Introduction to Philosophy, New York, NY: Harper & Row, 1971.
Translations of Kai Nielsen’s Books
- Εισαγωγή στη φιλοσοφία της θρησκείας (An Introduction to the Philosophy of Religion), translated in Greek by Vassilis Adrahtas, Athens: Psychoyos, 2002.
- Wprowadzenie do filozofii (Reason and Practice: A Modern Introduction to Philosophy), 2nd edition, translated in Polish by Zbigniew Szawarski, Warszaw: Książka i Wiedza, 1995.
- Wprowadzenie do filozofii (Reason and Practice: A Modern Introduction to Philosophy), translated in Polish by Zbigniew Szawarski, Warszaw: Książka i Wiedza, 1988.
- Moralność i wiara (Morality and Faith), translated in Polish by Zenobia Skwirczyńska-Masny, Warsaw: Książka i Wiedza, 1983.
- 自由與決定論 (Freedom and Determinism), translated in Chinese by Zheng Xiaocun, Hsinchu: Maple City Press, 1978.
- Marxism and Moral Point of View, translated in Chinese
Books Co-edited by Kai Nielsen
- Walking the Tightrope of Faith: Philosophical Conversations About Reason and Religion, Amsterdam: Rodolpi, 1999. (with Hendrik Hart and Ronald A. Kuipers )
- Exploitation, Atlantic Highlands, NJ: Humanities Press, 1997. (with Robert Ware)
- On the Relevance of Metaethics: New Essays on Metaethics, Calgary, AB: University of Calgary Press, 1995. (with Jocelyne Couture) [table of contents & introduction]
- Rethinking Nationalism, Calgary, AB: University of Calgary Press, 1995. (with Jocelyne Couture and Michel Seymour)
- Méta-philosophie: Reconstructing Philosophy? New Essays on Metaphilosophy, Calgary, AB: University of Calgary Press, 1993. (with Jocelyne Couture)
- Analyzing Marxism: New Essays on Analytical Marxism, Calgary, AB: University of Calgary Press, 1989. (with Robert Ware)
- Science, Morality, and Feminist Theory, Calgary, AB: University of Calgary Press, 1987. (with Marsha Hanen)
- New Essays in Ethics and Public Policy, Guelph, ON: Canadian Association For Publishing in Philosophy, 1982. (with Steven C. Patten)
- Marx and Morality, Guelph, ON: Canadian Association for Publishing in Philosophy, 1981. (with Steven C. Patten)
- New Essays of John Stuart Mill and Utilitarianism, Guelph, ON: Canadian Association for Publishing in Philosophy, 1979. (with Steven C. Patten)
- New Essays on Contract Theory, Guelph, ON: Canadian Association for Publishing in Philosophy, 1977. (with Roger A. Shiner)
Books About Kai Nielsen
- Pessimism of the Intellect, Optimism of the Will. The Political Philosophy of Kai Nielsen, edited by David Rondel and Alex Sager, Calgary, AB: University of Calgary Press, 2012. [table of contents]
- Reason and Emancipation: Essays on the Philosophy of Kai Nielsen, edited by Michel Seymour and Mathias Fritsch, Amherst, NY: Humanity Books, 2007.
- On the Track of Reason: Essays in the Honor of Kai Nielsen, edited by Rodger Beehler, David Copp and Béla Szabados, Boulder, CO: Westview Press, 1992.