As an A grade player i found Book was helpful and well laid out in logical fashion from basics of setup and posture and errors there and later in the swing. Also if you are tall golfer you will benefit as author is tall and describes problems tall person has in trying to setup to ball. Faults and reasons well explained and a section at back on the game in general. Leadbetter is a top coach in the world so reader should find something here to help their golf.