The books in this set, originally published between 1939 and 1991:

• Focus on the concept of virtue, and in particular on the virtue of wisdom or knowledge,
• Study the pilgrimage of the Ancient World in its search for moral truth.
• Discuss the political implication of the spread of science in antiquity.

• Examine the nature of Pre-Socratic thought and the three pluralist responses of Empedocles, Anaxagoras and the early Atomists.