The book is divided into two parts. In the first part, comprising chapters 1-5, Gottlieb presents her own account of how Aristotle’s virtues of character should be understood. She singles out the doctrine of the mean as the key to that understanding. A virtue of character is an action-guiding disposition to hit the mean between two extreme emotions within a certain field. Courage, for instance, is the disposition to hit the mean between cowardice and rashness in the field of danger. The mean is determined not by the extremes alone, but by these in relation to the demands of the particular situation, including facts about the agent herself. She also defends Aristotle against misgivings about the virtues of character …….