Start with high-confidence soccer coaching books, then narrow by subgenre or adjacent topics.
What You're Made for
George Raveling, Ryan Holiday
The Inner Game of Tennis
W. Timothy Gallwey, Zach Kleiman
The One Minute Golfer
Ken Blanchard, Kenneth H. Blanchard
The Why Is Everything
Michael Silver, Mike Chamberlain
Legacy
James Kerr
How Champions Think
Dr. Bob Rotella, Bob Cullen
Football Done Right
Dan Woren, Michael Lombardi