Fergus Kerr. Thomas Aquinas: A Very Short Introduction. Oxford: Oxford University Press, 2009.
Books
Medieval Philosophy: An Historical and Philosophical Introduction
John Marenbon. Medieval Philosophy: An Historical and Philosophical Introduction. London: Routledge, 2007.
Aquinas, Ethics, and Philosophy of Religion: Metaphysics and Practice
Thomas S. Hibbs. Aquinas, Ethics, and Philosophy of Religion: Metaphysics and Practice. Bloomington: Indiana University Press, 2007.
Aquinas on Friendship
D. Schwartz. Aquinas on Friendship. Oxford: Clarendon Press, 2007.
Aquinas, Aristotle and the Promise of the Common Good
Mary M. Keys. Aquinas, Aristotle, and the Promise of the Common Good. New York: Cambridge University Press, 2006.
A Short History of Thomism
Romanus Cessario. A Short History of Thomism. Washington, D.C.: Catholic University of America Press, 2005.
Aquinas
Eleonore Stump. Aquinas. New York: Routledge, 2005.
The Philosophy of Aquinas
Robert Pasnau and Christopher Shields. The Philosophy of Aquinas. Boulder: Westview, 2004.
The Metaphysics of Theism: Aquinas’s Natural Theology in Summa contra gentiles I
Norman Kretzmann. The Metaphysics of Theism: Aquinas's Natural Theology in Summa contra gentiles I. Oxford: Clarendon Press, 2004.
Aquinas by Ralph McInerny
Ralph McInerny. Aquinas. Cambridge: Polity Press, 2004.