No matter what book you get, make sure you entire chapter sees the importance of good parli-pro. At the very least get a few key officers and chairmen to adopt it so that everyone can see how much better it makes meetings.

When I was in Senate Leadership in college, we purchased a copy for every senator, and had workshops on how to use Roberts. We never had formal Roberts Rules workshops for the Greek community, but a vast amount of SG was Greek at the time so the information was carried over.

Now that I am a faculty adviser for the Student Council at the school I teach at, I find the Brief version very useful!