Forms

This past weekend/Monday after class I started to think about how I have always unintentionally made forms in my mind whenever I read books. I didn't realize it until now that I had a perfect idea what the book would look like in reality, but there was no such thing. Director's have a form of what the movie should look like based on the book or idea but it's never up to par with the form they created in their mind. It was as if someone else thought that their form of the book would be better than everyone else's that read the same book not to be mean but I think that's pretty selfish. Am I wrong? But then you realize that you can't satisfy everyone because it's just not possible.