My Current Title: John Milton’s Paradise Lost: A Study of Historical and Religious Interpretation
Alternatives: When Satan is The Hero
Paradise Lost and the Problems with Sympathy for Demons
Satan Remains the Most Controversial Judeo-Christian Figure
While I think the second alternative is really solid, I am not sure of which would be best. I tried to apply each of the different forms described on page 71 of Stylish Academic Writing, and some came out better than others.