I also enjoyed “missing links”Tie: Who's Your Caddy and John Daly: My Life in and out of the Rough
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I also enjoyed “missing links”Tie: Who's Your Caddy and John Daly: My Life in and out of the Rough
Hogan by Curt Sampson
Currently reading An American Caddie in St. Andrews and I'm enjoying that one too.
I know the OP said "just primarily about golf," but the best "golf" book I ever read wasn't about golf at all. It was Brian Enos' Practical Shooting : Beyond Fundamentals. This is a book about how to become more proficient in handgun shooting sports. Why was it useful to me in golf? He first teaches a concept that can be roughly boiled-down to "relaxed focus."