Pitching is by far the most misunderstood area of the game. Too many players treat pitching as a short version of long game, rather than an extension of your short game. Once you understand this, it has a huge effect on how you setup and swing as well as how well you can judge distance from 30-80 yards.
If you would like to read more into pitching, head to The Three Releases, page 77, for more!