Not the GP, but I read "Thank You for Arguing: What Aristotle, Lincoln, and Homer Simpson Can Teach Us About the Art of Persuasion" by Jay Heinrichs this year,

Not the GP, but I read "Thank You for Arguing: What Aristotle, Lincoln, and Homer Simpson Can Teach Us About the Art of Persuasion" by Jay Heinrichs this year, and consider it an excellent intro to classical rhetoric.