As I said then, it is a good book. I'll have more to say about it in future. In the meantime, here is Dr. Poole's elemental summary of the plot:
Paradise Lost (twelve books; 7-8 and 11-12 were the original Books 7 and 10).1. Hell: Satan and his troops in defeat.2. Hell: the devil’s assembly and Satan’s journey.3. Heaven: Divine theology; the approach of Satan to Eden.4. Eden: Adam and Eve; Eve recounts her creation; Gabriel challenges Satan.5. Eden: Eve’s dream; the arrival of Raphael; Raphael’s narration of the revolt.6. Eden: Raphael continues: the War in Heaven.7. Eden: Raphael continues; the Creation.8. Eden: Raphael and Adam discuss astronomy; Adam recounts his creation.9. Eden: Temptation and Fall.10. Heaven: God sends his Son to Eden; Hell: Satan’s return; Eden: recriminations, followed by repentance.11. Heaven: God’s judgments; Eden: the arrival of Michael; the vision of history (up to Flood).12. Eden: The vision of history (Flood to Second Coming); Expulsion.
Source: William Poole, Milton and the Making of Paradise Lost, Harvard UP, 2017, p.115.