Downloaded a very good Kindle book the other day. Bob Rotella is a sport psychologist/guru/author who has coached (not just golf) at high level and has helped countless Tour pro’s on their thoughts and mental approaches to golf.
The Unstoppable Golfer focusses on the short game (and what goes on between the ears). Very readable, a lot of common sense (some perhaps not new ie, importance of the short game), but it gets the message across very well.
If you are thinking of a Christmas present for yourself, definitely could do a lot worse.
Here is Rotella giving a speech, I do like the ‘3 bones’ anecdote he gives.