[JRutledge]

I do not believe this clinician was telling you to actually look in the book, he is telling you to be aware of that situation. The way that happens is with experience and working a lot of games. When you start looking to do varsity games, it is to your benefit to know who the "stars" or "key players" are. Because what they do or what happens to them will affect what the coaches say and how they act towards you. Usually you will be very aware of who those players are, just by what they are trying to do on the court or who gets the ball as well. But at the earlier stages of your career this can be difficult to do. So unless you have a lot of experience and are doing varsity games all the time, this is not going to be much of your concern. But it is something you can work on as you move up the latter.

Peace