Robert Pasnau’s book, Thomas Aquinas on Human Nature : A Philosophical Study of Summa Theologiae, 1a 75-89 ( Cambridge: Cambridge University Press, 2002), has won the American Philosophical Association Book Prize award for 2005. The book is a new, in-depth, consideration and presentation of Thomas’s teaching on human nature as found in questions 75-89 of the first part of the Summa theologiae. The book is available on amazon.com.