Exactly what it says. Be forewarned that this is the professional, professor side of his writing.
I didn't much like the opening lecture. And the meter ones went mostly over my head because I have never been taught to scan poetry. (sigh).
But interesting essays on writers like Bunyan, Shakespeare, Austen, William Morris. Some on language and approaches to literature. Weighing in on an essay by T. S. Eliot -- he disagrees with the relative evaluations of Shelley and Dryden.