Appreciate suggestions on this blurb

I'm republishing a booklet from the 1920's and I would be grateful for critical suggestions on the blurb I've drafted. How much of it looks unclear, ungrammatical or just plain silly?

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On Some Disputed Points in English Grammar, by Otto Jespersen

This booklet forms part of a classic exchange between two linguistic greats, Otto Jespersen and H. W. Fowler, author of The King's English and A Dictionary of Modern English Usage. Jespersen, Professor of English at Copenhagen University, challenges Fowler on what he characterised as too much “grammatical moralizing” in his usage guides. He takes several constructions criticised in those guides and sets out to justify them, arguing that they have occurred for centuries in the best writers, and that under a deeper analysis they are logically defensible. For example:

- “That long nose of his” (Fowler argued that “of his” means,
literally, “among his noses”); and

- “I insist on them being here” (should be possessive “their”,
according to Fowler).

The discussion gets quite technical in parts, but anyone interested in the
nitty gritty of English usage-and particularly fans and critics of Fowler-
should find the effort worth while.

Originally published by the Society for Pure English in S.P.E. Tract no.
XXV, in 1926.

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Thanks,

Sam