Hey, thanks for that! Proper comma (and semicolon) usage is always a challenge for me.
I decided to develop the habit of the "Oxford Comma," but I don't think I have it down, yet. It also seems to be "un-American." American English does not like commas.
In the great short books category, Willa Cather’s plains trilogy books are like 150-200 pages each, they’re fast reads and the prose is excellent — I’d start with ‘O Pioneers!’