In addition to the introduction to each play, there is a fine essay on "Greece and the Theater" at the beginning of the book which is well worth reading.
You will find the notes (pp. 295ff.), the genealogy of Oedupus (p. 424) and the glossary of names (pp. 327-30) very useful as you read.
Introduction to Ancient Theater is an excellent site: Introduction to Greek Stagecraft, presents essential information on the staging of Greek drama. Also worth a visit is Entrance to the Roman Theater of Dionysus.
1. What is the meaning of the riddle of the Sphinx, and how does this meaning apply to Oedipus?
2. What kind of man is Oedipus? Is he a good ruler? What words would you use to describe him?
3. What kind of responsibility does Oedipus bear for the slaying of his father and the incest with his mother? Is he morally at fault? Legally?
4. Why is Jocasta so sceptical of prophets and prophecies?
5. Why does it take Oedipus so long to understand the truth about himself? When does Jocasta realize what he has done?
6. What makes Oedipus a tragic hero?
1. What is Tragedy? How, according to Aristotle, does Tragedy compare to Epic? What similarities and differences does he see? What differences could you add at this point?
2. How does Aristotle describe the connection between dramatic action and character? Between character and speech? How does he rank these elements? Does Oedipus the King conform to his description?
3. What is the true distinction between poetry and history?
4. What is the reversal of the situation? What does it depend upon?
5. In part XIII, how does Aristotle describe the tragic hero? What makes Oedipus a tragic hero?