1. Pleasure: Aristotle's Response to Plato / C. C. W. Taylor -- Reply to C. C. W. Taylor / Sarah Broadie -- 2. The Irreducibility of the Ethical in Plato and Aristotle / A. W. Price -- Reply to A. W. Price / Sarah Broadie -- 3. Socrates and Aristotle on Happiness and Virtue / Roger Crisp -- Reply to Roger Crisp / Christopher Rowe -- 4. Glaucon's Challenge: Does Aristotle Change His Mind? / T. H. Irwin -- Reply to T. H. Irwin / Anthony Kenny -- 5. Plato and Aristotle on "Finality" and '(Self-)Sufficiency' / John M. Cooper -- Reply to John M. Cooper / Anthony Kenny -- 6. Justice in Plato and Aristotle: Withdrawal versus Engagement / Richard Kraut -- Reply to Richard Kraut / Christopher Rowe